TBI Throttle Body Injection discussion and questions. L03/CFI tech and other performance enhancements.

car jitters!

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Old Jan 13, 2002 | 09:19 PM
  #1  
davecamaro's Avatar
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From: Ontario, Canada
Car: Bonnievillie
Engine: 3.8L
car jitters!

Hey

This only happend twice so far, but sometimes when im waiting at a red light and I step on the pedal the car jittered and kinda felt like it was gonna stall but it just kinda like pickedup .. I dont know a weird feeling to it.. and than it goes agian.. this happend twice so far!

Could it be a gasline problem?
Or Fuel Injector problem?

I heard that the V8`s tend to do this once in a while.
Attached Thumbnails car jitters!-camarologo2.jpg  
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Old Jan 13, 2002 | 09:55 PM
  #2  
Sonar_un's Avatar
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From: Houston, TX
Car: '86 T/A
Engine: 350/LT1 Intake
Transmission: 700R4 - Built
Axle/Gears: 4th gen 3.42
My car does that constantly, I would really like to know what is going on with it.

However, I was just reading this page. If you go to the very bottom of it, I think we can start trouble shooting from there.

http://www.goingfaster.com/spo/elect...ement_sys.html

By the way, this guy has a TON of information about TBI related stuff. I just finished reading nearly the entire website, and, I feel like I want to stick with my L03!

http://www.goingfaster.com/spo/spo_t...y_central.html
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Old Jan 13, 2002 | 11:16 PM
  #3  
davecamaro's Avatar
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From: Ontario, Canada
Car: Bonnievillie
Engine: 3.8L
Hey thanks!
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Old Jan 13, 2002 | 11:20 PM
  #4  
JPrevost's Avatar
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Joined: Oct 1999
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Car: 91 Red Sled
Axle/Gears: 10bolt Richmond 3.73 Torsen
That guy is a great reporter but don't take his word on everything. Check out the cam shaft part and you can tell he doesn't know squat. Other than that it's a nice site if you're REALLY bored at work. Better reads would be to do a search on the forum for specific words and even member names.
As for the stumble part and jitter, when was the last time you changed your fuel filter? Running lean can cause jitter problems every once in a while. Do you have to take your foot off the gas for the problem to go away?
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Old Jan 13, 2002 | 11:39 PM
  #5  
Tas's Avatar
Tas
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is the car a stick? sounds like a warped clutch or flywheel
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Old Jan 14, 2002 | 03:25 AM
  #6  
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From: Maple Shade, NJ
"Used by the computer to determine which fuel injector or ignition coil to fire. Usually located at the front of the motor"

Thats the camshaft part im guessing prevost. I never knew our cars had more than one ignition coil. I've seen the new Cobras with 2 distributors, but thats about it. HEHE

My car is a stick, and the only thing i notice on my is when i idle, i can hear the clutch spinning still. Push the pedal in, goes away ... and so on, but not all the time.
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Old Jan 14, 2002 | 07:14 AM
  #7  
davecamaro's Avatar
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From: Ontario, Canada
Car: Bonnievillie
Engine: 3.8L
Hey

yeah I take my foot off for a very quick second. I think..
it just happens so fast and its only happend twice. But I want to find problems before they happend....
Attached Thumbnails car jitters!-camarologo2.jpg  
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Old Jan 14, 2002 | 08:04 PM
  #8  
JPrevost's Avatar
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Car: 91 Red Sled
Axle/Gears: 10bolt Richmond 3.73 Torsen
Next time it happens don't move your foot or even push the pedal down a little further without letting off for a split second. If it hurts more and maybe even backfires through the intake then it's either not getting enough fuel or it's a timing problem.
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