1988 Toyota Camry -

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bj.jarvis@shaw.ca - 12 Feb 2007 03:28 GMT

I recently replaced the seals, gaskets timing belt on 1988 Toyota
Camry. After running it for a few weeks it started missing real bad -
barely got it home. A friend determined it was the distributor/coil
and this was replaced. The other evening I checked the timing,
although timing was OK I did not get a consistant firing from the
number 1 cylinder spark plug led - seemed to misfire. I drove the car
around the block and again barely got it home and into the driveway.
Before turning engine off the RPM's were up around 2500 (at idel)
although earlier it was 750 rpm. After a few seconds the rpm's settled
back down but did not remain even - jumping between 750 and 1000 rmp.
Also noticed a knocking a the lower end of the engine - but only when
warmed up. Vehicle has about 290,000km. Any ideas?

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Daryl Bryant - 12 Feb 2007 03:36 GMT

> I recently replaced the seals, gaskets timing belt on 1988 Toyota
> Camry. After running it for a few weeks it started missing real bad -
[quoted text clipped - 8 lines]
> Also noticed a knocking a the lower end of the engine - but only when
> warmed up. Vehicle has about 290,000km. Any ideas?

Sounds like a misaligned timing belt!!

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Bing Bang Boom Voila Done!

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bj.jarvis@shaw.ca - 12 Feb 2007 04:22 GMT

On Feb 11, 7:36 pm, "Daryl Bryant" <sealsforensec...@charterseals.net>
wrote:

> <bj.jar...@shaw.ca> wrote in message
>
[quoted text clipped - 17 lines]
> --
> Bing Bang Boom Voila Done!

At first this is what I thought the problem was - so I checked the
timing - when I connected the timing light to the #1 spark plug wire -
the strob light was not a consistant flash but appeared to
periodically miss a beat. Then when taking it for a test drive it
almost quit entirely.

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Scott Dorsey - 13 Feb 2007 16:25 GMT

>At first this is what I thought the problem was - so I checked the
>timing - when I connected the timing light to the #1 spark plug wire -
>the strob light was not a consistant flash but appeared to
>periodically miss a beat. Then when taking it for a test drive it
>almost quit entirely.

Well, you found it, then.
Change the cap and rotor, and check the plugs. Might just be easier to
change the plugs than check them. While you have the cap off, make sure
there is no play in the rotor.

Now, try again with the timing light. Is it good? If you're still
missing here and there, either the coil is bad, or the ignition control
is not sending good signal. Since there are no points on this car, you
have several possibilities for that beginning with the crankshaft position
sensor. But worry about cap, rotor, and plugs first.
--scott

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"C'est un Nagra. C'est suisse, et tres, tres precis."

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Mike Romain - 13 Feb 2007 18:04 GMT

>> At first this is what I thought the problem was - so I checked the
>> timing - when I connected the timing light to the #1 spark plug wire -
[quoted text clipped - 13 lines]
> sensor. But worry about cap, rotor, and plugs first.
> --scott

Those clamp on timing lights do not differentiate between a spark miss
caused by bad electrics or by bad fuel delivery.

I got took that way once and changed out all the electrics with
thankfully spare parts only to find out the fuel wasn't getting to 3
cylinders which is why the light showed very intermittent spark on them.

On an 88 I would be thinking fuel filter as well as making sure the cap
and rotor are ok.

Mike
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