Question about 1991 Chevrolet Caprice

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1991 gmc 3500 no defost - 1991 Chevrolet Caprice

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Could be a blend door problem - does the air come out of the other vents ?

Posted on Dec 06, 2012


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My oil pressure gauge is high and blowing fuel line fuse in '91 GMC Sierra

check wires from sender make sure they are not broken pinched grounded out i had this same issue with my 89 3500 454 and the wires were rubbing the balancer finally wearing through grounding them this told the computer there was an issue with oil pressure and blew the fuse to prevent engine damage i traced them out and fixed never had an issue again

Apr 25, 2015 | 1991 GMC Sierra

1 Answer

My 1991 honda accord gets to 3500 rpm then starts missing runs fine under 3500

3500 rpm.. you must be doing 80 or 90 mph. Keep it under 3k

May 17, 2014 | 1991 Honda Accord

1 Answer

1991 gmc sierra 3500 5.7 liter why does exhaust get hot and truck will not go that fast

Failed Exhaust Converter

They are only good for 12 years

The honey comb inside has broken & is
blocking air flow

Also getting hot could be a rich fuel mixture
or a timing issue also

Nov 23, 2012 | GMC Sierra Cars & Trucks

1 Answer

1991 GMC vandura 3500, Can you tell me where computer is located

Computer is located passenger side. Behind glovebox.

Aug 25, 2011 | GMC Vandura Cars & Trucks

1 Answer

I want to change the oil on my 1991 gmc vandura 3500 but i dont know how

It cost the same for you to do an oil change or take it some where and have them do it, about $15 - $25 take it to someone who knows what there doing, you don't want to burn your car up because you left the oil filter gasket on.

Jul 28, 2011 | 1984 GMC VanDura

1 Answer

Where is the fuse block on a 1991 sierra 3500

front left of vehicle right behind the battery under the hood. let me know if you have any more question. good luck

Nov 26, 2009 | 1990 GMC C3500

1 Answer

My 91 gmc vandura 3500 skipping/stalling/bogging

It clearly sound as though your timing chain is stretched and should be replaced soon. Thanks' Dana

Sep 30, 2009 | 1991 GMC G3500

1 Answer

Hazards work signals dont its a 91 chevy c 3500 dually

there are 2 flashers in this truck replace the one that dont click when the flashers are on. located under the dash in the drivers area.

Aug 19, 2009 | 1991 GMC C3500

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