₦airaland Forum

sniperwolf:
Scan results:

P0141 HO2S (B1) S2: Heater Circuit Malfunction.

P0532 A/C Pressure: Sensor Voltage Low.

P0325 Knock Sensor: Circuit Malfunction.

P0113 IAT Sensor: Circuit High Voltage.

P0102 MAF Sensor: Voltage Low.

P1659 ETCS Control: Relay Off Malfunction.

Help me analyze each of the 6 results

Obviously nothing wrong with ur gear.

Knock sensor, and Etcs are you major issues affecting your transmission (I'm not saying the rest are not important)

If in lagos, give me a call 08023251039

Nissan Xterra

This is the procedure I'll be using to remove the power steering high pressure line that is leaking.


https://www.youtube.com/watch?v=q3AwPFkvBa8


Looks pretty straight forward.

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Nissan xterra continues

Knock sensor was replaced but after a scan error was still giving a high code, so I checd harness and realized it was shorted, fixed the harness and knock sensor code gone.

Only thing left is the power steering pressure hose repair, alignment and a wash.

Can't wasit to finish this job.

Presently car has no error codes.

bdek:
Help ooooo,my corolla jerk when accelerating and is a manual tranns,replaced plug ,fuel pump ,it only flash check engine when about to move

Scan will point out the bad coil.

Or you can change all 4.

sharpsharp:
Thanks a lot for your response.
Discussed this issue with an auto electrician and also a mech. They advised it's okay that way because of our weather, to me it's how far they understand these modern cars, checked earlier for any other wiring issues no visible broken wire. Next step to check is to[b] see if the thermostat is still in this ride[/b].

Easy, start the car, temp will ba at half mark in 10mins max! Even if the fans are connected directly. (if your fan is running direct)

chukel:
I love the dogged determination. #teamfactoryrepairmanual

Team wind engine a couple of rotations b4 installing.

chekz169:
P0031
P0037
And the scan detected other detailed issues too.

The person scanned ur engine only.

You need to scan transmission.

Every one is rulling out intermittent OCV failure?

Most people use 20W50 and don't get a grinding sound like a stone is in the engine.


OP Is there a check engine light on? If yes have it scanned.

bravolad:
Has anybody used KYB strut assembly before...how reliable are they? One of the front shocks of my RX330 is making some clunking sound when I turn the steering wheel to the left or climb a pavement of sidewalk. The sound suggests it's weak thus requiring replacement. I want to use KYB. From online reviews on clublexus, it appears as a popular and good OEM brand.

Please share your experiences if you have used this product.

Thank you innticipation of your comments.

Very good aftermarket product.

Now u can see the knock sensor!

To get to the knock sensors we will have to go this deephttps://engine-codes.com/uploads/images/2910.gif

But the head "Top cylinder" will still be intact.

Xterra continues.

Removing the intake components to get to the knock sensor, I also went under to unscrew the bad O2 sensor. Lucky customer, it was just a harness issue.


The multimeter in the pic comes with a flashlight and the screen is illuminated.
Also has a piercing tool so you don't have to rip wires to have them tested.

mikkyphp:
Bros Gazzuzz, i have answered my own question. Thanks for the inspiration to DIY.
I installed the sensor and ABS, VSA and VSA actuator lights are all off. Also no CEL

Thanks once again Gazz. sorry to derail

You need to buy fuel o!

Update on the xterra.

We stopped at suspension work, and that is complete.

We are now in engine bay area, and what we have to fix are coolant temp sensor,o2 sensor, replace spark plugs, replace leaking power steering pump, refil gas in a/c, replace knock sensor.

Starting with the easy parts.

Coolant temp switch.

Removing intake to access sparkplugs

Unfortunately there is a leak on both sides of the rocker covers (engine covers) and the gaskets will be replaced.

Fortune13:
Yes it does. Whenever it occurs, i'll have to reset the digital clock.

The positive end of your car battery might be touching the body of your car or the battery holder, check well.

mikkyphp:
bros @gazzuzz abeg add this map to your signature.
i installed my spacers 7days ago, and no more P0420 and CEL off in my 09 CRV. I am collecting my FL ABS sensor from my courier later today. If installed, will it also clear my VSA and VSA actuator light? trying to kill off all lights since it aint xmas yet
regards

Don't work blind, scan first.

cmoney22222:
Oga gazzuzz, I have the same issue, I replace the rear shocks and had the abs on the dash. Where can I get you. Toyota camry 97

You have my number

anochuks08:
Thanks Gazzuz, this came in kinda late, I have already replaced the 2 rear sensors. How do I clear the light to see if its gone?

That was a waste. Problem was not from there.

Stop working blind

adanny01:
I like it but my spirit is down right now with report coming in from my friends meeting with cardoctor. I am at work so couldnt go. Getting that size of defouler will be a big task.

His comments i expected will point the problem or kill the matter. He has opted to kill the matter by buying a new head or straight engine. Thats his position which i believe came out of much experience. All mechanics now say the same thing, retire the engine.

I dont want to give up but i cant give my friend assurances either. With the new decision, he has lost alot of money already. I wouldnt want to make him lose more.

However, i tried Piyke's improvised stethoscope thingy, just like i said before the sound is confirmed to be from the front (intake side) of the engine not the back (exhaust). The sound is obviously highest at the middle btween cylinder 2 and 3 and exactly at the position where the head gasket is.

I listened from that position at the front and back of the engine and the sound is incomparable with the front even not eaaily accessible because of the intake manifold but loudest. At the valve cover, everything is quiet and calm.

I am positively sure, 1 or 2 intake valves is hitting the piston of either cylinder 2 or 3. What i can do now is limited to checking the valve spring and lash for the two cylinders. Any more will incure expenses that i wont put my friend. Make im no think say i carry im car do experiment!

I was the first person that told you to buy engine o!

Meanwhile leave the car for a day or 2 and go back in again. This time take it apart. And see what is wrong, from that you can decide to buy top, bottom or whole engine. Or even decide to repair.

Promxy94:
please is he in ph

Yes sir

CORDROSS:
Is there someone like that in Lag too? I want to replace all four but with this your comment I may just do what you suggested. Thanks

I am HE!

08033910382

Promxy94:
Phcity

Contact chucks, 07017081067

He's a very experienced automobile mechanic.

anochuks08:
Hello experts in the house, I had my four shocks replaced yesterday and my ABS light came up on dash. I had a feeling they messed up one of my sensors. I went back there today to have the stuff checked and the Mech sef seems confused with little idea on what to do. I hate driving my car with lights on dashboard like its a Christmas tree. Any qualified mech around Enugu that can fix this should send me a PM.

Currently, am trying to see if I can replace the four sensors. I will update if its successful

Regards

No point replacing all four, contact decotech, hes in aba he can scan and identify the bad one, with a multimeter one can also identify the bad one too.

adanny01:
Yes, i agree. I am not sure of the part number since i didnt check to confirm. Its too late to do that since the engine is running on it unless cardoctor who is our last consultant wants to get down there with assurance.

There are several reasons why i think is a valve hitting piston problem.

1. After the crankshaft was installed and engine assembled, there was a point engine did stop rotation. We didnt know what it was. Oil sump and pump were removed again and checked. Everything was ok but rotation will still stop after few turns. That was the 1st time the cylinder head came off on suspision that there is accumulated carbon deposits. It was true and carbon was cleared. The engine without the cylinder head rotated beautifully. The head was reinstalled and the rotation cycled with no obstruction. Upon starting, we got that sound. I felt that the new sound was the result of the initial obstruction to rotation which was only made less by decarbonizing. I figured there is still contact but not enough to stall rotation. Since the head came off and the engine block rotated beautifully, the problem is either on the head cylinder or in between it and the engine block not below.

2. Valve-piston contact is very possible because the engine is designed with very little space between them. Meaning, if timing chain breaks while valves are open and there is piston movement, contact will definately be made. I have experienced this about 4 times when timing belt of 96 accord broke. Valves were destroyed in te process. Other causes i have read include weak valve spring (i will check for this) and bad timing between camshaft and cranshaft.

Pardon me for lengthy descriptions.

Do a cylinder compression test to rule it out. You don't need any fancy tool, just buy a couple of sparkplug defoulers like 5 of them, bolt them up together, screw into sparkplug position place thumb over opening and u should be able to feel the bad one out with the engine running. (I know this is kazeemy)

ogedengbedamilare:
I fixed my leaking Silencer and I noticed the water consumption has reduced, so im guessing it myt be the leaking exhaust that has been consuming my fuel and water

NEHI!!!

Problem is still there.

Using a wrong crankshaft could also cause same issues.

Check that they are same part number.


I'm sure it's not the valves touching the pistons.

gulfer:
Agege , Exact location please

TRY again

6°38'33.7"N 3°20'05.2"E

leonn:
wow gazzuz you are such an inspiration i love what you do......please are you in lagos although i intend calling later today sir.

Live in lagos!

Run this thru ur map or just google it.

6.64270 3.33477



Longitude and latitude, straight to my workshop

chukel:
replaced not up to 6 months ago. Ordered and replaced with deeza inner and outer tie rods plus ball joints with stabilizer links and bushings. Steering shaft/rack is shaking though. One of those problems from factory.i have the TSB from toyota but haven't gathered liver to do the job. Simple greasing job. The thing tire me. Clunking is from the back, mild though. But started after changing pad. Today I noticed a pin or clip on the caliper assembly has given a deep mark on the disc. My preventive maintenance is causing wahala for me.

THE mark is caused by improper installation.