Help - Timing Belt off by tooth - or Vac leak???

[ed armstrong]

Hi,

I'm a little late to this thread but have you pulled
the codes and seen if any errors are reported or the
CIS infrastructure is OK ?

If idle is not changing with removing the dipstick
there is a vacuum leak somewhere.

Fix your radiator/cooling before moving on. Its
difficult to diagnose these problems if you can only
run the motor a few minutes.



--- siambisg at uchastings.edu wrote:
> >Go for the most obvious FIRST.  Check for vacuum
> leaks, especially at the
> >intake boot.
> Can it be too early to do a vac leak check?  Engine
> did sit for two months. I am inclined to get it
> warmed up and see if things improve.  Any reason not
> to do this??? Such as no coolant only water b/c i'm
> planning a cooling sys flush.  I've turned the crank
> over by hand again and the timing marks _seem_
> close.
>
> What i've done:
> tightened down the intake boot clamps (were loosened
> during failed air filter attempt) checked/tightened
> connections at charc canister shutoff and fired up
> the engine two more times.
>
> 1st time- again long crank time, idled really rough,
> grey/white smoke out the exhaust, smell of fuel in
> the air, much like before
>
> 2nd time- after few minutes tried again.  this time
> it started almost like normal, i.e., practically
> right away, idle was steady at about 1000 rpms.  the
> idle was still rough but much smoother, much less
> smoke out the back, but it still isn't right
>
> i pulled oil dipstick, then oil cap, then both.
> with dipstick out no change in idle, after oil cap
> idle dipped but still ran same with both out.  car
> had _no_ vac leaks before and would stumble/stall
> with just the dipstick out
>
> Is this a rich or lean condition??  *possible caveat
> is the cold start valve may still be doing it's
> thing, no?*
>
> i shut it off before 30-40 seconds b/c the aux rad
> is not connected, cooling system is still open, and
> the engine is filled with only water no coolant!
> i'm inclined to do the simple thing, warm it up and
> see if things get better :-)  if not, no harm,
> right??
>
> Again, thanks for all the help so far!!  The hardest
> part of all this is never having done it before...
> George Siambis
> '88 90q
>
> >siambisg at uchastings.edu writes:
> >> . . it idles terribly . . . and  i couldn't be
> happier :)
> >
>
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=====
-ed

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