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91 Sierra keeps dying
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Author:  spragrl [ Sun Sep 04, 2011 4:14 am ]
Post subject:  91 Sierra keeps dying

My 91 Sierra has had the carby rebuilt, timing tuned, fuel tank and lines flushed and filters changed but it still wont run. I start it and give it a few revs to get it going then as soon as i ease off the accelerator the revs drop to 100 it shudders and dies. Would this be a fuel pump issue or something electrical????

Anyone kno a decent mechanics to take it to in Adelaide?


Any ideas or help would be much appreciated :)

Jess

Author:  4wheeljive [ Sun Sep 04, 2011 4:29 am ]
Post subject:  Re: 91 Sierra keeps dying

Have you checked for spark ie a poor spark and it won't idle properly. check the leads are on properly check that the dizzy cap isn't corderd or cracked and check the spark plugs

Author:  steve [ Sun Sep 04, 2011 4:55 am ]
Post subject:  Re: 91 Sierra keeps dying

check the idle solinoid on the carby... make sure it's connected and goes click.

Author:  Chris88 [ Sun Sep 04, 2011 4:58 am ]
Post subject:  Re: 91 Sierra keeps dying

My car did that. Idel solenoid was packed with dirt and shot, replaced it, runs fine

Author:  spragrl [ Sun Sep 04, 2011 5:29 pm ]
Post subject:  Re: 91 Sierra keeps dying

ok will check plugs, leads and solanoid :) thanks guys much appreciated. Hopefully thats the issue and can easily be fixed. Spent too much money already fixing the carby.

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