Question about 1992 GMC Safari

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1992 GMC Safari Van engine idle wonders on first start of the day and many occasions the engine is to slow accelerations .Change plugs, coil pack,idle air valve,throttle position sensor,distributor cap and fuel pressure is 13 psi.

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Replace the fuel pressure regulator and the fuel filter, the pressure is low.

Posted on Jul 15, 2009

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Posted on Jan 02, 2017

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2 Answers

1992 GMC Safari Van 4.3 V-6 Engine. Will not come up to idle and dies with-in 3-5 min.


Sounds like throttle body and/or its components,"IAC motor-IdleAirControl motor, TPS-ThrottlePositionSensor. Throttle body/Carb cleaner and SeaFoam @the brake booster.

Dec 17, 2016 | 1992 GMC Safari

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Dec 17, 2016 | 1992 GMC Safari

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hope it helps

Oct 10, 2014 | 2004 GMC Safari

1 Answer

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Sounds like the ignition module or magnetic pick up. You need to check for ignition spark.

Sep 27, 2017 | 1995 GMC Safari

1 Answer

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Have you noticed a check engine light on? Does the Van sit outside overnight or for days at a time? I have had the same symptoms with my cars in the past due to mice or chipmunks leaving accorns in the catalytic converter. It could be converter breaking apart as well.

May 15, 2012 | 2003 GMC Safari

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how much fuel pressure you have when turn key on

Feb 04, 2010 | 2005 GMC Safari

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97 safari won't start when wet, after it rains the van will not start, fuel pump is new, seems like no spark, let dry for couple of days and it runs like normal


Had same exact problem, it was a bad coil. I could not duplicate "no start" problem with water bottle. Replaced coil and problem gone.
Note: There was a noticeable engine misfire at highway speeds on humid days. This accompanied the no start problem.

Jun 19, 2009 | 2000 GMC Safari

1 Answer

Wont stay runnin


It sounds like the same problem I have on occasion with my 1994 GMC Safari van. You need to check your AIC valve ( air intake control) it may be bottomed out wich is the reason it starts but will not stay running. Now I also have another possilbe solution ckeck to see if your catlist converter is not plugged . Not shure why but these are some of the solutions that I have for what happenes to my van . Hope this info can be of some help.

Dave.

Mar 25, 2009 | 1991 GMC Safari

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