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Toyota 4runner 2007(1GR-FE) Fix - Car Talk - Nairaland

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Toyota 4runner 2007(1GR-FE) Fix by mayor2013: 2:53pm On Aug 18, 2018
We have a Toyota 4runner 2007(V6). 1GRFE with the following fault errors pulled out from the pcm

1) P0016- crankshaft position-camshaft position correlation (bank1 sensor a)

2) P0022- camshaft position 'a'- timing over ratarded(bank2)

3) p0012- camshaft position 'a'- timing over-slow (bank1)

4)P0456- evaporative emission control system leak detected (very small leak)

Symptoms exhibited by vehicle:

1) oil light flickers
2) so much internal engine noise
3) sluggish movement

Diagnosis:

** Since oil light flickers, an oil pressure tester would be used to determine oil pressure from the oil pump using an OTC oil pressure tester. After this is done a comparison would be drawn based on what the manufacturer recommends

N.b oil pump is an internal part within the engine

Re: Toyota 4runner 2007(1GR-FE) Fix by mayor2013: 3:03pm On Aug 18, 2018
To carry out oil pressure test. The oil pressure switch has to be loosed out inorder to get right fit for adaptor attachment.

Oil pressure switch is being loosed out

Re: Toyota 4runner 2007(1GR-FE) Fix by mayor2013: 3:14pm On Aug 18, 2018
Right fit for adapted gotten. 2 in 1 fitment used here. Note the use of the silver and brass fitment installed on each other

Re: Toyota 4runner 2007(1GR-FE) Fix by mayor2013: 3:19pm On Aug 18, 2018
Oil pressure tester at zero psi prior to starting the vehicle

Re: Toyota 4runner 2007(1GR-FE) Fix by mayor2013: 3:36pm On Aug 18, 2018
After idling the ride . Oil pump pressure falls below 3psi after 5mins of idling as against 4psi recommended by Toyota

Re: Toyota 4runner 2007(1GR-FE) Fix by tensazangetsu20(m): 3:44pm On Aug 18, 2018
Do you have to loosen the filter to carry out the test. Please don't mind this stupid question. I am a baby mechanic cheesy
Re: Toyota 4runner 2007(1GR-FE) Fix by mayor2013: 3:48pm On Aug 18, 2018
At idle speed - oil pressure is less than 3psi as seen in the pix below

Re: Toyota 4runner 2007(1GR-FE) Fix by mayor2013: 3:49pm On Aug 18, 2018
tensazangetsu20:
Do you have to loosen the filter to carry out the test. Please don't mind this stupid question. I am a baby mechanic cheesy

No you do not need to loosen out the oil filter. Oil filter remains
Re: Toyota 4runner 2007(1GR-FE) Fix by mayor2013: 3:52pm On Aug 18, 2018
@ 3000rpm as adviced by the manual. This was the result

Re: Toyota 4runner 2007(1GR-FE) Fix by mayor2013: 4:02pm On Aug 18, 2018
Please note this engine cost a million naira in the local market so we need to save this baby sad

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Re: Toyota 4runner 2007(1GR-FE) Fix by mayor2013: 4:25pm On Aug 18, 2018
Next step is to collect radiator coolant for reuse. This would be done by loosening out the pintle on the engine block as seen in the pix below

Re: Toyota 4runner 2007(1GR-FE) Fix by mayor2013: 4:51pm On Aug 18, 2018
Variable valve timing intelligence (VVTi) solenoid would be inspected and tested shortly
Re: Toyota 4runner 2007(1GR-FE) Fix by king406(m): 2:01pm On Aug 19, 2018
On board
Re: Toyota 4runner 2007(1GR-FE) Fix by sultaan(m): 1:02am On Aug 20, 2018
Let me guess with the engine noise and fault timing chain might be loose from broken guides and bad tensioner lacking lubrication.

Sludge too from used of 20w50

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Re: Toyota 4runner 2007(1GR-FE) Fix by mayor2013: 6:35am On Aug 20, 2018
sultaan:
Let me guess with the engine noise and fault timing chain might be loose from broken guides and bad tensioner lacking lubrication.

Sludge too from used of 20w50

From the test carried out on oil pump. There is an oil pump failure. With this timing chain, timing tensioner and dampers wouldn't be getting expected lubrication hence the timing jump. But let's take out those things to inspect them physically. Car owner has been using 5w30 full synthetic. Last service was done together with polytron
Re: Toyota 4runner 2007(1GR-FE) Fix by sultaan(m): 1:03am On Aug 21, 2018
Engine loading
Re: Toyota 4runner 2007(1GR-FE) Fix by mayor2013: 1:52am On Aug 21, 2018
sultaan:
Engine loading

Calm down cheesy
Re: Toyota 4runner 2007(1GR-FE) Fix by mayor2013: 1:12pm On Aug 22, 2018
The culprit. Heavy sludge on the bank 2. Timing chain has some slack already.a reason for the heavy engine noise. This is gonna be real good cheesy

Re: Toyota 4runner 2007(1GR-FE) Fix by Nobody: 4:09pm On Aug 22, 2018
mayor2013:
After idling the ride . Oil pump pressure falls below 3psi after 5mins of idling as against 4psi recommended by Toyota

Hot or cold engine?

Startup to idle or high rev to idle?

Which engine oil? Toyota recommended? Engine oil and viscosity affects pressure.
Re: Toyota 4runner 2007(1GR-FE) Fix by mayor2013: 4:33pm On Aug 22, 2018
EgunMogaji:


Hot or cold engine?

Startup to idle or high rev to idle?

Which engine oil? Toyota recommended? Engine oil and viscosity affects pressure.

Hot engine

Both psi ratings for both conditions where recorded.

Toyota motor oil 5w30 when the vehicle was first bought. Currently using duramax fully synthetic oil. From the record the Toyota motor oil caused this. That oil is not fully synthetic and cannot be overstretched. If 20w50 engine would have been locked up by now cry

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Re: Toyota 4runner 2007(1GR-FE) Fix by Nobody: 4:41pm On Aug 22, 2018
mayor2013:


Hot engine

Both psi ratings for both conditions where recorded.

Toyota motor oil 5w30 when the vehicle was first bought. Currently using duramax fully synthetic oil. From the record the Toyota motor oil caused this. That oil is not fully synthetic and cannot be overstretched. If 20w50 engine would have been locked up by now cry

Thanks for the answers.

I wish that more people educate themselves about engine oil.

The valve train and the crud scares me.
Re: Toyota 4runner 2007(1GR-FE) Fix by mayor2013: 4:47pm On Aug 22, 2018
EgunMogaji:


Thanks for the answers.

I wish that more people educate themselves about engine oil.

The valve train and the crud scares me.

It's evident that the Toyota motor oil 5w30 is an engine destroyer. Which ever way we would get the engine back to life. Engine is 1million naira cry
Re: Toyota 4runner 2007(1GR-FE) Fix by Nobody: 5:10pm On Aug 22, 2018
mayor2013:


It's evident that the Toyota motor oil 5w30 is an engine destroyer. Which ever way we would get the engine back to life. Engine is 1million naira cry

Okay so I don’t believe that an original Toyota oil of correct spec for the environment that the car is used for is faulty.

That being said, a 5W30 viscosity is suspicious to be trusted in Nigeria’s harsh environment.

What was the oil change interval like?

What oil filter was used?

Consistently through the service life.
Re: Toyota 4runner 2007(1GR-FE) Fix by thebigkendo(m): 6:35pm On Aug 22, 2018
mayor2013:


Hot engine

Both psi ratings for both conditions where recorded.

Toyota motor oil 5w30 when the vehicle was first bought. Currently using duramax fully synthetic oil. From the record the Toyota motor oil caused this. That oil is not fully synthetic and cannot be overstretched. If 20w50 engine would have been locked up by now cry

If I mention one of diportivo friend, a port harcourt oil seller aut*tra*er2..this thread go just scatter

I doubt if Toyota motor oil is at fault.. I will say extended oil change with a non-synthetic Toyota motor oil caused the sludge

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Re: Toyota 4runner 2007(1GR-FE) Fix by thebigkendo(m): 6:40pm On Aug 22, 2018
mayor2013:


It's evident that the Toyota motor oil 5w30 is an engine destroyer. Which ever way we would get the engine back to life. Engine is 1million naira cry

Aunty Radu.. Come & see #TeamRebuild!!

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Re: Toyota 4runner 2007(1GR-FE) Fix by mayor2013: 7:13pm On Aug 22, 2018
thebigkendo:


If I mention one of diportivo friend, a port harcourt oil seller aut*tra*er2..this thread go just scatter

I doubt if Toyota motor oil is at fault.. I will say extended oil change with a non-synthetic Toyota motor oil caused the sludge

Now I believe Toyota motor oil is non synthetic
Re: Toyota 4runner 2007(1GR-FE) Fix by thebigkendo(m): 7:14pm On Aug 22, 2018
mayor2013:


Never used non synthetic. Now I believe Toyota motor oil is non synthetic

Exactly what I implied!!! wink wink
Toyota motor oil has synthetic 0W-20 which is labelled synthetic.. As for TMO 5w-20 & 30 without any label of synthetic or mineral.. I always assume it's mineral oil

the big.kendo:


If I mention one of diportivo friend, a port harcourt oil seller aut*tra*er2..this thread go just scatter

I doubt if Toyota motor oil is at fault.. I will say extended oil change with a non-synthetic Toyota motor oil caused the sludge
Re: Toyota 4runner 2007(1GR-FE) Fix by Nobody: 7:27pm On Aug 22, 2018
You don't necessarily need synthetic motor oil.

Use synthetic oil when the engine has been built for such close tolerances.

What did Toyota say about oil for this truck? Did they specify synthetic oil? I would guess not.

I've seen many race engines that use non synthetic oil.

This engine failed (by looking at the internals ) due to burnt oil, abused oil system, extended service change internal on subpar oil.

PS: I peaked inside my 4Runners engine via the oil cap and I quickly closed it so I didn't puke sad I just pray it makes it for 7 or so more visits then I'll yank it out.
Re: Toyota 4runner 2007(1GR-FE) Fix by radautoworks: 12:41am On Aug 23, 2018
EgunMogaji:
You don't necessarily need synthetic motor oil.

Use synthetic oil when the engine has been built for such close tolerances.

What did Toyota say about oil for this truck? Did they specify synthetic oil? I would guess not.

I've seen many race engines that use non synthetic oil.

This engine failed (by looking at the internals ) due to burnt oil, abused oil system, extended service change internal on subpar oil.

PS: I peaked inside my 4Runners engine via the oil cap and I quickly closed it so I didn't puke sad I just pray it makes it for 7 or so more visits then I'll yank it out.

Sigh. What would I do without you? My fingers get to rest smiley

1 Like

Re: Toyota 4runner 2007(1GR-FE) Fix by Nobody: 12:45am On Aug 23, 2018
radautoworks:


Sigh. What would I do without you? My fingers get to rest smiley

grin
Re: Toyota 4runner 2007(1GR-FE) Fix by sultaan(m): 1:33am On Aug 23, 2018
How does the oil pan pick up screen and crank shaft look like

2 Likes

Re: Toyota 4runner 2007(1GR-FE) Fix by mayor2013: 6:33am On Aug 23, 2018
sultaan:
How does the oil pan pick up screen and crank shaft look like

Close to that

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