Question about 1989 Chevrolet C1500

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1989 SUBURBAN 350CID HESITATION AT SLOW SPEED

Replaced plugs,wires map sensor

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Get your timing checked, are the plugs gapped properly i believe, .045''

Posted on Apr 17, 2009

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Check the catalytic converter they get clogged and dont allow the vehicle to run right

Posted on Feb 09, 2009

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My 93 Suburban 5.7L takes off too slow and hard to get it over 60 mph on the freeway


Have you replaced your air filter or checked you mass air sensor for debris or contamination?

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The car will pop alittle when you try to start it...It wants to start but wont..replaced the fuel filter,plugs.I have spark to all plugs..I can squirt gas into the intake and it will run but will not idle...


usually when a vehicle backfires, it is caused by the timing or a bad crank sensor. symtoms of a bad coolant sensor are--poor cold idle, stalling, ( rich mixture,retarded timing) slow idle speed, cold hesitation or stumble, and poor fuel milage. check coolant sensor first. good-luck!!

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Major hesitation at cold idle, car accelerates at a slow pace, hesitation also appears when in passing gear. replaced fuel filter 2 months ago


symtoms of a bad coolant sensor: poor car idle, rich mixture, retarded timing, slow idle speed, cold hesitation or stumble, poor fuel milage, check and make sure air filter is clean. and check plugs and wires if need be,

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Hesitation while exceleration


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Astro HESITATES upon initial accellerating.


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1989 Cavalier Z24 3.1 rough idle and hesitation


it sounds to me that the sensor your talking about is the camshaft positioning sensor. It regulates how much fuel you get to your engine, so that is also why you have the fuel smell as well.

Feb 23, 2009 | 1997 Chevrolet Cavalier

2 Answers

1989 Cavalier Z24 3.1 rough idle and hesitation


It sounds like you may have a broken exhaust valve spring, although, like you have found out problems like this can be very hard to diagnose, but anyone with a compression tester and couple other tools could find out if this is the case. Hope this gives you another idea where to look.

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1 Answer

1989 Chevrolet Suburban Problem


I've Been reading up on this problem and working on an 89 suburban with the same problem, tps, vacuum leaks, fuel pump, fuel filter, IAC, EGR, MAP Sensors are not the problem

Jun 10, 2008 | 1989 Chevrolet Suburban

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