car hesitates and hicups over 5K
03-25-03, 12:18 AM
#1
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car hesitates and hicups over 5K
Hey guys,
My cars got a weird hesitation problem. It feels like a car with the 3800 hesitation, but it does it ever 500RPMs or so after about 5000. I thought it was grounds so i went to the parts store and got some 4ga grounds, no avail. I changed out the MAP sensor and the hose, no avail there either. IM pretty much stuck, the TPS is great, no cats to be clogged, everything set like it should. Anyone? Thanks again fella's
My cars got a weird hesitation problem. It feels like a car with the 3800 hesitation, but it does it ever 500RPMs or so after about 5000. I thought it was grounds so i went to the parts store and got some 4ga grounds, no avail. I changed out the MAP sensor and the hose, no avail there either. IM pretty much stuck, the TPS is great, no cats to be clogged, everything set like it should. Anyone? Thanks again fella's
03-25-03, 12:40 AM
#3
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what the hell really? How is your timing? Hmm.. ill try that 89 gas ****.. if it works ill send my car to Jessie, LMFAO! I have a serious ******* street port, but i still dont see why it would be doing that. The only thing i could think of is an injector being gay, or a coil back skiping out at higher revs.. both dont make much sense though. Thanks man, ill try what you say and get back to the forum.
03-25-03, 01:26 AM
#4
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well i just figured my injectors were cloged and we were all out of the cheapo gas where i work at so i filled it up on 89. and its been day #2 (240 miles on this tank so far) and in hasn't done it yet so i guess the injectors need a cleaning
-Shawn
-Shawn
03-25-03, 08:58 AM
#6
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well you're runnin 15 degrees of advance timing and a mild street port which causes way more lap n duration and only running 87 octane? any engine would backfire on highend doing that switch to 92-94
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03-25-03, 12:05 PM
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Originally posted by 13B2QuIcKNy
well you're runnin 15 degrees of advance timing and a mild street port which causes way more lap n duration and only running 87 octane? any engine would backfire on highend doing that switch to 92-94
well you're runnin 15 degrees of advance timing and a mild street port which causes way more lap n duration and only running 87 octane? any engine would backfire on highend doing that switch to 92-94
Also, brand new fuel filter as well.
The pill in the MAP, i think thats the problem, but another problem, i cant get ahold of another one. But, check this out, my freind (Detruich) on the forum had a regular vac line on there, no pill, and runs fine. Same with Rotorific, damn Rx7s.... i wish chevy woulda got the dorito motor, not this stupid import company.
03-25-03, 12:12 PM
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Originally posted by SacRippingFast
It has something to do with your fuel line. Chick filter, pump, or injectors.
It has something to do with your fuel line. Chick filter, pump, or injectors.
03-25-03, 12:12 PM
#12
well you're runnin 15 degrees of advance timing and a mild street port which causes way more lap n duration and only running 87 octane? any engine would backfire on highend doing that switch to 92-94
you can run 87 up to 20 degrees advanced timing and an engine will NOT backfire when advanced because it is burning the fuel more efficently. -Gabe
03-25-03, 01:03 PM
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Originally posted by Roy James
The pill in the MAP, i think thats the problem, but another problem, i cant get ahold of another one. But, check this out, my freind (Detruich) on the forum had a regular vac line on there, no pill, and runs fine.
The pill in the MAP, i think thats the problem, but another problem, i cant get ahold of another one. But, check this out, my freind (Detruich) on the forum had a regular vac line on there, no pill, and runs fine.
03-25-03, 01:05 PM
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Originally posted by sunshine
I just recently learned about the pill in the vacc line. Since I've re-installed it (the pill) my car runs better again. I'd suggest you find and replace the orifice. I got mine from Brian at Mazdaformance. Took the opportunity to order some oil filters and sparkplugs while I was at it. Might as well make the shipping cost worthwile.
I just recently learned about the pill in the vacc line. Since I've re-installed it (the pill) my car runs better again. I'd suggest you find and replace the orifice. I got mine from Brian at Mazdaformance. Took the opportunity to order some oil filters and sparkplugs while I was at it. Might as well make the shipping cost worthwile.
03-26-03, 11:30 AM
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Originally posted by Roy James
The pill in the MAP, i think thats the problem, but another problem, i cant get ahold of another one.
The pill in the MAP, i think thats the problem, but another problem, i cant get ahold of another one.
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