symptoms of jumped timing or something else?

[SuperHO]

so last night after a few bouts of "spirited" acceleration, the car started stalling under normal take-off loads. it's basically acting like i slipped the clutch too quick without enough gas. starts right back up and idles normally...but if i goose the gas from an idle, it bogs really bad, and will stall from a dead stop unless i wind the **** out of it. once underway, it's fine. thoughts?

 

[Ocnaj]

Kinda sounds like a weak spark. Does it seem to go away at higher revs?

 

[SuperHO]

It's quite irregular, but if I try to take off normally, the car almost always stalls. If I come to a stop and give it just a lil goose, it sounds...flooded? It bogs really bad.

 

[rudy]

Interesting I have the same problem, 1000 revs or lower with the clutch engaged the engine bogs bad. I usually have to leave from a stop at 2000 revs. I did the cylinder balance test came up 1,2,3 but the second test said just 2. I think my timings messed up too. only because when i changed the the water pump housing gasket i removed the timing belt but i don't think i installed it properly. and i can't find the time to do it. let me know what you get.

 

[SHO_ROLLER_2]

I would think if the timing was off, the car would run like crap though the whole rev range.
First place I'd check would be ignition. My friends P71 was doing the same thing and it needed coil packs, plugs, and wires.

 

[jayro]

I would pull the top timing covers and take a look. Fairly easy to get to and would help point you in the right direction.

 

[sperold]

When you start the car, does it roll over faster? Anything at all different on startup?
Is your temp gauge in the same spot it always was? Is the fuel economy suddenly terrible?
If your timing jumped enough to show up on your launch, one of these things would be different.
I would look for codes, and test the fuel pressure, and test for good output at the wires. If that turns out OK, look at all the grounds.

 

[SuperHO]

no codes (except the MAF code i've had for years and the fuel pump secondary circuit failure from stalling)...there's a noticeable lope in the idle, and i've noticed that the air sucking into the airbox on cold start-ups doesn't have a consistant sucking noise like it used to...those with loud intakes know the noise i'm talking about.

 

[93rev2sev]

Is there anything coming from the oil fill hole?

 

[SHOspazz92]

My car was doing something similar. It started doing it at autocross when I was exiting corners at the bottom of 2nd gear. The extra load would make the car start cutting out but if I played with the throttle enough it would work its way through it. It would also do it if I was in 4th or 5th and would give the car a decent amount of gas at highway speeds to get by a truck or something. However, If I ran it WOT through 1st, 2nd, 3rd...etc, it would not do it.

Eventually, It started doing it while taking off in 1st gear, etc. I replaced both the Coil-pack and plug wires at the same time, So I can't tell you which one was causing it, but my money is on the coilpack.

-Sam

 

[SuperHO]

tom, my PCV is atmospericaly vented, so if something were to come out of the oil fill, wouldn't it be nnoticeable through the PCV? found another symptom...nailing WOT at 3500 in 2nd and staying in it is disturbingly uneventful until around 5500 when all **** breaks loose. still no cel.

 

[rudy]

I cleared all my c.e. lights only have the knock sensor not tested 225 and had a coil 2 failure but i changed the dis and it went away and ran better but still has the same problem as above.fuel economy sucks. my oil pan gasket is leaking bad -could that be it? if not im goin to change the coil pack. maybe its the knock sensor or bap? i went up a steep parking lot and it was knocking and pinging and the oil light was flashing it was like all but 2 of my cylinders were working.

 

[SuperHO]

welp, checked timing...both cams were about 15 degrees clockwise from where they should've been with the crank at TDC. that could possibly explain the issue. if that wasn't the issue, i'm certain the plug gap was. for perspective, plug gap's supposed to be .042"ish, or slightly less than a dime's width (.053")...a quarter fit in these gaps with room to spare...

 

[jayro]

Wow. With both of those combined I would be happy it started. Let us know if it clears it up.

 

[SuperHO]

oh, it's running tons smoother now. i happened to have some old autolite's mucking about in my toolbox that were used but still good, so i checked the gap and put em in after resetting the timing

 

[jayro]

oh, it's running tons smoother now. i happened to have some old autolite's mucking about in my toolbox that were used but still good, so i checked the gap and put em in after resetting the timing

Glad to hear it. Its always nice when you locate the issue.