2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.

help, bad fuel problem

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Old Aug 16, 2002 | 02:32 PM
  #1  
jacobcartmill's Avatar
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help, bad fuel problem

i was driving my car today going about 45 in fourth gear just cruising, and all the sudden my car started hesitating real bad. so i pulled over at the gas station and let it idle for a minute and smelled alot of gas, i looked up at my a/f gauge and it was reading one bar above stoich (in the rich) at IDLE. i KNOW that this is way to much gas to be put into the engine at idle... when i accelerate the car just bogs and i have no power. i feels like the injectors are just dumping gas into the engine. thats what i think is going on here, does anyone think i am right? what else could it be? if i am right what do i do to fix it? thanks guys
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Old Aug 16, 2002 | 03:01 PM
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From: West Bloomfield, MI
What did your A/F read before this happened?

My A/F reads the same as yours at idle, one or two bars in the rich.
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Old Aug 16, 2002 | 05:50 PM
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From: Nashville, TN
before this, my a/f gauge read nothing at idle. there shouldn't be that much gas going into the engine at idle should there? i think you may be running a little rich bro...
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Old Aug 16, 2002 | 07:35 PM
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From: Milwaukee, Wisconsin
Sounds like injectors, but I am a tard so I could be wrong =)
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Old Aug 16, 2002 | 07:52 PM
  #5  
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From: West Bloomfield, MI
Oh, I know I'm running rich, but my car doesn't hesitate like you are describing.

My eyes burn if I stand behind my car for a few minutes and my car is idling.
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Old Aug 16, 2002 | 08:05 PM
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From: FORT WORTH, TEXAS,USA
A 87 TurboII with a working, functional acv and airpump will read less than zero at idle. Disable the airpump and acv by disarming the relief solenoid(pulling the blue solenoids plug off or one of the water temp sensor plugs on the bottom of the radiator), and the signal from the 02 sensor will be in the 750 to 850 mv range i.e reading rich if you have a air fuel meter. Probably not a thing wrong with the injectors or fuel mixture. Normal as can be.
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Old Aug 17, 2002 | 12:12 AM
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well... it seems that my injectors are clogged my a fat bitch's arteries. but an update on the original problem at the top of this post... the reason why my car shut off is because i blew my main ignition fuse somehow. the spark was jumping across the blown fuse somehow and letting me still barely run the car to get it home... anyways, about the fuel clogging. how can i unclog it? it seems that it may be past the whole "injector cleaner in the gas tank" state... any ideas?
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Old Aug 17, 2002 | 12:39 AM
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From: West Bloomfield, MI
Yank the injectors and send them to get professionally cleaned. I use Marren Motorsports.


www.injector.com
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