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mrdap replied to the thread '88 350 TBI Engine Noises and Idle.Probably should pull all the spark plugs and have a look. And do a compression test. I hate that. -
mrdap replied to the thread '88 350 TBI Engine Noises and Idle.It was a bit above normal idle. I had to put a sledge hammer on the throttle to keep it running. But no load, not racing. Fast idle...
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mrdap replied to the thread '88 350 TBI Engine Noises and Idle.No fuel pump push rod.....TBI. electric fuel pump
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mrdap replied to the thread '88 350 TBI Engine Noises and Idle.Gremlins! Nasty. Per above: CODE 33 MAP SENSOR (SIGNAL VOLTAGE HIGH) ALL ENGINES IF ENGINE IDLE IS ROUGH, UNSTABLE The fuel pump is...
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mrdap replied to the thread '88 350 TBI Engine Noises and Idle.I will check into that. There was (incompetent) transmission work done twice. Thanks.
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mrdap replied to the thread '88 350 TBI Engine Noises and Idle.I checked the code: CODE 33 MAP SENSOR (SIGNAL VOLTAGE HIGH) ALL ENGINES IF ENGINE IDLE IS ROUGH, UNSTABLE Tomorrow I will clear codes...
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mrdap replied to the thread '88 350 TBI Engine Noises and Idle.Sounds good
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Strange problem with my 1988 GMC Jimmy today. 350 TBI, 700R4, 120,000 miles 104° F Arizona Driving, everything is normal. Good oil...
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