₦airaland Forum

Good evening nairalanders,

I was driving yesterday and my car just stopped without any sign. Started the car and it stops. Continued like 5 times with situation and same result.

Called a car electrician. He checked the fuel pump, and confirmed okay. Changed spark plugs and coils and was just firing it not to stop. We managed to move it to a safe place. This morning the situation continues

We have checked for intake leaks, alternator issues or earthing problem but none was seen.

What is pending now is changing fuel filter, pump and injectors.

I don't know if any of these could Solve the problem. Only check light is coils p0351 to P0354. All coils changed but situation remain the same

Please help a brother

Dozieson:
Good evening nairalanders,

I was driving yesterday and my car just stopped without any sign. Started the car and it stops. Continued like 5 times with situation and same result.

Called a car electrician. He checked the fuel pump, and confirmed okay. Changed spark plugs and coils and was just firing it not to stop. We managed to move it to a safe place. This morning the situation continues

We have checked for intake leaks, alternator issues or earthing problem but none was seen.

What is pending now is changing fuel filter, pump and injectors.

I don't know if any of these could Solve the problem. Only check light is coils p0351 to P0354. All coils changed but situation remain the same

Please help a brother

Good evening sir.

Vehicle: Toyota Camry 2005 (Please specify whether 4-cylinder or V6 engine)
Scan Codes: P0351, P0352, P0353, P0354
Concern: Vehicle starts and immediately stalls repeatedly despite replacing ignition coils and spark plugs.

Let’s address this properly before more parts are replaced unnecessarily.


* What The Codes Mean

P0351 – P0354 = Ignition Coil Circuit Faults

In simple terms:

The Engine Control Module (ECM) is detecting a problem with the ignition coil control circuits for multiple cylinders.

The most important observation here is that:

* All four coil-related codes appeared together.

On a 2005 Camry, it is extremely uncommon for all ignition coils to fail at exactly the same time.

That immediately suggests we should look beyond the coils themselves.


* Important Observation

You stated:

• Spark plugs were changed
• Ignition coils were changed
• Vehicle still starts and dies
• Problem remains unchanged

This is a strong indication that the fault is likely elsewhere.

The replacement of the coils did not change the symptom, which means the original coils may not have been the root cause.


* Most Likely Causes

1, Faulty Crankshaft Position Sensor

This is one of the first things I would investigate.

A failing crankshaft sensor can:

• Allow the vehicle to start
• Suddenly stop spark delivery
• Cause repeated stalling
• Trigger ignition-related fault codes

Very common on older Toyota models.


2, Faulty Camshaft Position Sensor

A weak or intermittent camshaft sensor can also cause:

• Engine shutdown
• Loss of synchronization
• Ignition faults
• Difficult restarting


3, ECM Power Supply or Ignition Relay Issue

If the ECU loses power momentarily:

• The engine may start
• Then immediately shut off

This can generate multiple coil circuit faults.


4, Wiring Harness or Ground Fault

A shared wiring issue can affect all ignition coils simultaneously.

Areas to inspect:

• Coil power supply
• Engine grounds
• ECU grounds
• Harness connectors


5, Fuel Delivery Problem

While fuel pump and fuel filter should not be ruled out, they should be tested first before replacement.

The correct approach is:

• Check actual fuel pressure
• Confirm injector pulse

Not simply replacing parts.


* What Should Be Checked Now

Before changing the fuel pump, injectors, or ECU:

1, Perform a professional scan and monitor live data during cranking and stalling.


2, Check crankshaft sensor signal.

This would be high on my suspect list.


3, Check camshaft sensor signal.


4, Verify ignition coil power supply and ground.


5, Test fuel pressure using a proper gauge.


6, Inspect ECM and ignition relay operation.

* Do NOT Do This

• Do NOT replace injectors blindly
• Do NOT replace fuel pump without pressure testing
• Do NOT continue buying ignition components randomly
• Do NOT condemn the engine without proper diagnosis


* Professional Insight

Looking at your symptoms and the fact that all four ignition coil codes appeared together, I would be more suspicious of:

• Crankshaft sensor failure
• Camshaft sensor failure
• Ignition power supply issue
• ECU communication issue

than the actual ignition coils.

The fact that the vehicle starts but cannot continue running is a major clue that the ECU may be losing a critical signal needed to maintain spark and fuel synchronization.


* Ryan Automotive Limited Recommendation

The next step is a structured engine management diagnosis, focusing on:

• Crankshaft sensor testing
• Camshaft sensor testing
• Ignition system voltage checks
• Fuel pressure verification
• ECU communication analysis
• Wiring harness inspection

At Ryan Automotive Limited, we would not recommend replacing the fuel pump, injectors, or additional ignition components until proper live-data diagnostics confirm the actual cause.

If you can provide:

• Whether the engine is 4-cylinder or V6
• Whether the check engine light stays on continuously
• Whether the vehicle stalls immediately or after a few seconds

the diagnosis can be narrowed down further.


Precision • Transparency • Excellence

Ryan Automotive Limited

RyanAutomotive:
Good evening sir.

Vehicle: Toyota Camry 2005 (Please specify whether 4-cylinder or V6 engine)
Scan Codes: P0351, P0352, P0353, P0354
Concern: Vehicle starts and immediately stalls repeatedly despite replacing ignition coils and spark plugs.

Let’s address this properly before more parts are replaced unnecessarily.


* What The Codes Mean

P0351 – P0354 = Ignition Coil Circuit Faults

In simple terms:

The Engine Control Module (ECM) is detecting a problem with the ignition coil control circuits for multiple cylinders.

The most important observation here is that:

* All four coil-related codes appeared together.

On a 2005 Camry, it is extremely uncommon for all ignition coils to fail at exactly the same time.

That immediately suggests we should look beyond the coils themselves.


* Important Observation

You stated:

• Spark plugs were changed
• Ignition coils were changed
• Vehicle still starts and dies
• Problem remains unchanged

This is a strong indication that the fault is likely elsewhere.

The replacement of the coils did not change the symptom, which means the original coils may not have been the root cause.


* Most Likely Causes

1, Faulty Crankshaft Position Sensor

This is one of the first things I would investigate.

A failing crankshaft sensor can:

• Allow the vehicle to start
• Suddenly stop spark delivery
• Cause repeated stalling
• Trigger ignition-related fault codes

Very common on older Toyota models.


2, Faulty Camshaft Position Sensor

A weak or intermittent camshaft sensor can also cause:

• Engine shutdown
• Loss of synchronization
• Ignition faults
• Difficult restarting


3, ECM Power Supply or Ignition Relay Issue

If the ECU loses power momentarily:

• The engine may start
• Then immediately shut off

This can generate multiple coil circuit faults.


4, Wiring Harness or Ground Fault

A shared wiring issue can affect all ignition coils simultaneously.

Areas to inspect:

• Coil power supply
• Engine grounds
• ECU grounds
• Harness connectors


5, Fuel Delivery Problem

While fuel pump and fuel filter should not be ruled out, they should be tested first before replacement.

The correct approach is:

• Check actual fuel pressure
• Confirm injector pulse

Not simply replacing parts.


* What Should Be Checked Now

Before changing the fuel pump, injectors, or ECU:

1, Perform a professional scan and monitor live data during cranking and stalling.


2, Check crankshaft sensor signal.

This would be high on my suspect list.


3, Check camshaft sensor signal.


4, Verify ignition coil power supply and ground.


5, Test fuel pressure using a proper gauge.


6, Inspect ECM and ignition relay operation.

* Do NOT Do This

• Do NOT replace injectors blindly
• Do NOT replace fuel pump without pressure testing
• Do NOT continue buying ignition components randomly
• Do NOT condemn the engine without proper diagnosis


* Professional Insight

Looking at your symptoms and the fact that all four ignition coil codes appeared together, I would be more suspicious of:

• Crankshaft sensor failure
• Camshaft sensor failure
• Ignition power supply issue
• ECU communication issue

than the actual ignition coils.

The fact that the vehicle starts but cannot continue running is a major clue that the ECU may be losing a critical signal needed to maintain spark and fuel synchronization.


* Ryan Automotive Limited Recommendation

The next step is a structured engine management diagnosis, focusing on:

• Crankshaft sensor testing
• Camshaft sensor testing
• Ignition system voltage checks
• Fuel pressure verification
• ECU communication analysis
• Wiring harness inspection

At Ryan Automotive Limited, we would not recommend replacing the fuel pump, injectors, or additional ignition components until proper live-data diagnostics confirm the actual cause.

If you can provide:

• Whether the engine is 4-cylinder or V6
• Whether the check engine light stays on continuously
• Whether the vehicle stalls immediately or after a few seconds

the diagnosis can be narrowed down further.


Precision • Transparency • Excellence

Ryan Automotive Limited

Thank you sir for this detailed analysis. I will check some of these details and revert.

It is a 4 cylinder vehicle. It immediately stalls within 1-2 seconds.

When the stalls all light will show on the dashboard. That is when the scan is done

Ogbeni heck your fuel pump nd filter. Its easy to do. Chefk the pressure.its supposed to gush out like gas (high spray)..dtaining your headliner or roof...then check the filter.its supposed to be clean and pink or orange and white. If after every go to alternator and batery to check. Dey follow chat gpt dumbo dey talk.dem go spoil that car 4u. Just wait... las las e no go pass 1 or 2 bad coil wey no dey fire .making engine power imbalanced.

Dozieson:
Thank you sir for this detailed analysis. I will check some of these details and revert.

It is a 4 cylinder vehicle. It immediately stalls within 1-2 seconds.

When the stalls all light will show on the dashboard. That is when the scan is done

2cribz:
Ogbeni heck your fuel pump nd filter. Its easy to do. Chefk the pressure.its supposed to gush out like gas (high spray)..dtaining your headliner or roof...then check the filter.its supposed to be clean and pink or orange and white. If after every go to alternator and batery to check. Dey follow chat gpt dumbo dey talk.dem go spoil that car 4u. Just wait... las las e no go pass 1 or 2 bad coil wey no dey fire .making engine power imbalanced.

The pump gush out well with high speed.
The mechanic will check the the filter and injectors tomorrow

Sa check.also na old car nd issues eith old car no pass coils battery,alternator
Na why u like old model

We did all necessary checks and no changes. We changed the ECU and that was it. The car is working fine now.

My major question is what could have caused the car ECU to go bad? I did enter water and travel long distance. Also no visible burnt after checks.

Did you install car tracker lately?

LIFE sometimes STARTS FINE until after NYSC and fit no END or STOP


well check ur FUEL PUMP, when its HOT its stops working .
thats why HALF TANK is d best PEG for fuel tanks.

FUEL ALSO SERVES as COOLANT.
when you buy next avoid new one but go for BEST TOKS> only if u see am buy on ebay from UK or USA

Dozieson:
Good evening nairalanders,

I was driving yesterday and my car just stopped without any sign. Started the car and it stops. Continued like 5 times with situation and same result.

Called a car electrician. He checked the fuel pump, and confirmed okay. Changed spark plugs and coils and was just firing it not to stop. We managed to move it to a safe place. This morning the situation continues

We have checked for intake leaks, alternator issues or earthing problem but none was seen.

What is pending now is changing fuel filter, pump and injectors.

I don't know if any of these could Solve the problem. Only check light is coils p0351 to P0354. All coils changed but situation remain the same

Please help a brother

Witchcraft
Is d cause by brother

Op the issue has to do with fuel supply system, so check around the fuel supply system.


The car starts and stops because the fuel supply cuts off and depriving the engine of the blood to continue running.

The gearbox may be faulty

Freshandfitpod:
The gearbox may be faulty

It's not gearbox because the engine goes off not issue with acceleration or movement. The engine goes off and when he starts it again, it comes up. It's an issue with fuel supply system

Thanks to RyanAutomotive for the details diagnosis.

As much as that is well detailed, it is somewhat too voluminous to avoid trials.

I just sorted a similar problem but with a higher version of vehicle shutting down intermittently especially when I load AC or moving.

Get a good rewire to service your Throttle Body, thank me later.

This was after I've spent over ₦200k changing nozzles, coil, servicing, even changed Mass Air Flow Meter.

Talk to a good rewire. Mine worked and have travelled to Owerri and Ado Ekiti after it was done.

Just my experience.

Dozieson:
Good evening nairalanders,

I was driving yesterday and my car just stopped without any sign. Started the car and it stops. Continued like 5 times with situation and same result.

Called a car electrician. He checked the fuel pump, and confirmed okay. Changed spark plugs and coils and was just firing it not to stop. We managed to move it to a safe place. This morning the situation continues

We have checked for intake leaks, alternator issues or earthing problem but none was seen.

What is pending now is changing fuel filter, pump and injectors.

I don't know if any of these could Solve the problem. Only check light is coils p0351 to P0354. All coils changed but situation remain the same

Please help a brother

Perhaps security. Has there been security installed at any time?

Make God bless
Buy new car

2005 these modern days na old car

21 years old girl don born pikin


Na to buy new machine
From 2016 above.

Dozieson:
We did all necessary checks and no changes. We changed the ECU and that was it. The car is working fine now.

My major question is what could have caused the car ECU to go bad? I did enter water and travel long distance. Also no visible burnt after checks.

Water probably entered the ECU and started bridging the fuel supply sensors and cutting off the fuel supply to the engine.


Another possible cause of the faulty ECU is excessive hearing due to the long journey as the car is older. This can lead to thermal overload of the ECU and hence failure

Dozieson:
We did all necessary checks and no changes. We changed the ECU and that was it. The car is working fine now.

My major question is what could have caused the car ECU to go bad? I did enter water and travel long distance. Also no visible burnt after checks.

The water you entered could be the cause of your problem

Since your car starts and stops abruptly, that indicates an electric fault in the fuel supply system, there's a breach somewhere must likely culprit is your ECU that controls the fuel injection system and coil, also don't rule out fuel pump as well.

Your windshield and wiper blades are faulty

Dozieson:
Good evening nairalanders,

I was driving yesterday and my car just stopped without any sign. Started the car and it stops. Continued like 5 times with situation and same result.

Called a car electrician. He checked the fuel pump, and confirmed okay. Changed spark plugs and coils and was just firing it not to stop. We managed to move it to a safe place. This morning the situation continues

We have checked for intake leaks, alternator issues or earthing problem but none was seen.

What is pending now is changing fuel filter, pump and injectors.

I don't know if any of these could Solve the problem. Only check light is coils p0351 to P0354. All coils changed but situation remain the same

Please help a brother

Why do you love wasting money
First thing first...scan the vehicle or your mechanic will continue to waste your money

Dozieson:
Good evening nairalanders,

I was driving yesterday and my car just stopped without any sign. Started the car and it stops. Continued like 5 times with situation and same result.

Called a car electrician. He checked the fuel pump, and confirmed okay. Changed spark plugs and coils and was just firing it not to stop. We managed to move it to a safe place. This morning the situation continues

We have checked for intake leaks, alternator issues or earthing problem but none was seen.

What is pending now is changing fuel filter, pump and injectors.

I don't know if any of these could Solve the problem. Only check light is coils p0351 to P0354. All coils changed but situation remain the same

Please help a brother

What did he check in the fuel pump? There was a time I had something similar...car will work fine...then after a while start loosing power.

Switch off a while and it will start again as if nothing happened.

I insisted they opened the fuel pump and clean the strainer...that's when it came back to life.

Apparently, the foam was clogged, so after a while, it can't keep up with the suction, that's when it will stop.

I had this kind of issue years back, examine your airflow meter.
My airflow meter was removed including the air filter

Likely an electrical fault..May even be faulty wiring.
Take your car to a reputable rewire for proper scanning..if you reside in Lagos I can recommend

Benglarue:
Thanks to RyanAutomotive for the details diagnosis.

As much as that is well detailed, it is somewhat too voluminous to avoid trials.

I just sorted a similar problem but with a higher version of vehicle shutting down intermittently especially when I load AC or moving.

Get a good rewire to service your Throttle Body, thank me later.

This was after I've spent over ₦200k changing nozzles, coil, servicing, even changed Mass Air Flow Meter.

Talk to a good rewire. Mine worked and have travelled to Owerri and Ado Ekiti after it was done.

Just my experience.

God bless you for this peace of solution....you are the only one that gave the correct answer to the problem that was raised. Dirty throttle body will shut down a car immediately after starting it.

There are too many carbon on the plate of the throttle body, once cleaned properly, your car will run fine as a new car

Your answers will be found at ladipo market

2cribz:
Sa check.also na old car nd issues eith old car no pass coils battery,alternator
Na why u like old model

You dey think like Kazeem mechanics..

Dem make you buy parts without proper checking.. Na trial and error dem sabi .

Na bad fuel overtime dey cause all these, cheap quality imported fuel mixed with good ones can't tell which is which change injector o

RyanAutomotive:
Good evening sir.

Vehicle: Toyota Camry 2005 (Please specify whether 4-cylinder or V6 engine)
Scan Codes: P0351, P0352, P0353, P0354
Concern: Vehicle starts and immediately stalls repeatedly despite replacing ignition coils and spark plugs.

Let’s address this properly before more parts are replaced unnecessarily.


* What The Codes Mean

P0351 – P0354 = Ignition Coil Circuit Faults

In simple terms:

The Engine Control Module (ECM) is detecting a problem with the ignition coil control circuits for multiple cylinders.

The most important observation here is that:

* All four coil-related codes appeared together.

On a 2005 Camry, it is extremely uncommon for all ignition coils to fail at exactly the same time.

That immediately suggests we should look beyond the coils themselves.


* Important Observation

You stated:

• Spark plugs were changed
• Ignition coils were changed
• Vehicle still starts and dies
• Problem remains unchanged

This is a strong indication that the fault is likely elsewhere.

The replacement of the coils did not change the symptom, which means the original coils may not have been the root cause.


* Most Likely Causes

1, Faulty Crankshaft Position Sensor

This is one of the first things I would investigate.

A failing crankshaft sensor can:

• Allow the vehicle to start
• Suddenly stop spark delivery
• Cause repeated stalling
• Trigger ignition-related fault codes

Very common on older Toyota models.


2, Faulty Camshaft Position Sensor

A weak or intermittent camshaft sensor can also cause:

• Engine shutdown
• Loss of synchronization
• Ignition faults
• Difficult restarting


3, ECM Power Supply or Ignition Relay Issue

If the ECU loses power momentarily:

• The engine may start
• Then immediately shut off

This can generate multiple coil circuit faults.


4, Wiring Harness or Ground Fault

A shared wiring issue can affect all ignition coils simultaneously.

Areas to inspect:

• Coil power supply
• Engine grounds
• ECU grounds
• Harness connectors


5, Fuel Delivery Problem

While fuel pump and fuel filter should not be ruled out, they should be tested first before replacement.

The correct approach is:

• Check actual fuel pressure
• Confirm injector pulse

Not simply replacing parts.


* What Should Be Checked Now

Before changing the fuel pump, injectors, or ECU:

1, Perform a professional scan and monitor live data during cranking and stalling.


2, Check crankshaft sensor signal.

This would be high on my suspect list.


3, Check camshaft sensor signal.


4, Verify ignition coil power supply and ground.


5, Test fuel pressure using a proper gauge.


6, Inspect ECM and ignition relay operation.

* Do NOT Do This

• Do NOT replace injectors blindly
• Do NOT replace fuel pump without pressure testing
• Do NOT continue buying ignition components randomly
• Do NOT condemn the engine without proper diagnosis


* Professional Insight

Looking at your symptoms and the fact that all four ignition coil codes appeared together, I would be more suspicious of:

• Crankshaft sensor failure
• Camshaft sensor failure
• Ignition power supply issue
• ECU communication issue

than the actual ignition coils.

The fact that the vehicle starts but cannot continue running is a major clue that the ECU may be losing a critical signal needed to maintain spark and fuel synchronization.


* Ryan Automotive Limited Recommendation

The next step is a structured engine management diagnosis, focusing on:

• Crankshaft sensor testing
• Camshaft sensor testing
• Ignition system voltage checks
• Fuel pressure verification
• ECU communication analysis
• Wiring harness inspection

At Ryan Automotive Limited, we would not recommend replacing the fuel pump, injectors, or additional ignition components until proper live-data diagnostics confirm the actual cause.

If you can provide:

• Whether the engine is 4-cylinder or V6
• Whether the check engine light stays on continuously
• Whether the vehicle stalls immediately or after a few seconds

the diagnosis can be narrowed down further.


Precision • Transparency • Excellence

Ryan Automotive Limited

I had similar issue not quite long

I scanned the car using OBDII scanner,

Solution was to change the crankshaft sensor and camshaft sensor.
I also change the ignition relay.

It's working fine now

Same thing happens to my corrola 2006 model. It starts normal the starts jeckincg, then off. I'll need to match the accelerator b4 it starts again.... This always happen when the engine is cold... But wen the engine is hot, everything is fine..
I've changed the fuel pump, the plugs, my coils are working well too

Check d start contl fuse in d hood of d car usually at d right hand side.

Disconnect d airflow and start d car. Switch it of and replug it. The car system will rescan and reboot .