engine code: timing belt off one tooth ,but it is perfect!

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Breeze - 03 Nov 2006 15:34 GMT

I put a re-man'd cylinder head on with new belt and water pump.The car
runs great but I have a check engine light and the code says the timing
is off. does the computer have to relearn the new cam ? The alignment
of the cam sprocket and crankshaft is right on the money. I read the
computer may have to relearn it's new configuration ( the cam had some
wear on it but I presume it is within tolerance since it came with the
remanufactored head) .

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mandtprice@gmail.com - 03 Nov 2006 15:55 GMT

> I put a re-man'd cylinder head on with new belt and water pump.The car
> runs great but I have a check engine light and the code says the timing
[quoted text clipped - 3 lines]
> wear on it but I presume it is within tolerance since it came with the
> remanufactored head) .

Could the cam position sensor be off? Knowing which engine would help.

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Don Bruder - 03 Nov 2006 16:58 GMT

> > I put a re-man'd cylinder head on with new belt and water pump.The car
> > runs great but I have a check engine light and the code says the timing
[quoted text clipped - 5 lines]
>
> Could the cam position sensor be off? Knowing which engine would help.

And...

Are you *ABSOLUTELY, POSITIVELY, TOTALLY* certain that the cam/crank
alignment is correct? It's quite easy to either gain or lose a tooth
while jiggling the new belt onto the sprockets, or not actually have the
sprockets (especially the crank) *EXACTLY* right - particularly when
you're doing the job with the engine in the car, rather than out on a
stand where you can look at everything "exactly dead-on", rather than
having to look at things from some oddball angle that can easily be more
than plenty to cause a one-tooth-either-way error.

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Don Bruder - dakidd@sonic.net - If your "From:" address isn't on my whitelist,
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TeGGeR® - 03 Nov 2006 18:50 GMT

> Are you *ABSOLUTELY, POSITIVELY, TOTALLY* certain that the cam/crank
> alignment is correct? It's quite easy to either gain or lose a tooth
[quoted text clipped - 4 lines]
> than having to look at things from some oddball angle that can easily
> be more than plenty to cause a one-tooth-either-way error.

I like to paint a pair of marks on the pulleys and the belt with Wite-Out
before removing the old belt. I then transfer the marks to the new
equipment and install. Hard to make a mistake that way.

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TeGGeR®

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phaeton - 03 Nov 2006 18:55 GMT

> I like to paint a pair of marks on the pulleys and the belt with Wite-Out
> before removing the old belt. I then transfer the marks to the new
> equipment and install. Hard to make a mistake that way.
>
> --
> TeGGeR®

I used to use cheapie fingernail polish. I usually had some black,
white, red, yellow, green in my box at any given time. Of course I got
funny looks when I'd buy it, but oh well.

;-)

-phaeton

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Comboverfish - 03 Nov 2006 20:05 GMT

And this is what year, make, model, engine? So far I can assume it is
a vehicle with one head, so most likely a four cylinder. Perhaps it is
a Plymouth Breeze based on your nickname. So...... 2.0 or 2.4 engine?
So..... what code exactly?

The ECM on any car cares little to nothing about the lobe or bearing
surface wear of a cam. It would take enough wear to cause the engine
to misfire before a code was stored, and it would still likely not set
a cam/crank relationship code. Perhaps the replacement cam has a
different trigger tooth design because it is not from the same year
vehicle. What was that vehicle again?

Toyota MDT in MO

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