Question about 1989 GMC Sierra

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My 1989 gmc sierra coughs when you give it gas in cold weather

When I give the truck gas the truck coughs and sometimes stalls

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  • 30 Answers

I would say if it only does it in cold weather, it might me a choke problem.

Posted on Jan 02, 2013

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6 Suggested Answers

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Posted on Jan 02, 2017

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SOURCE: having problems starting a 97 GMC Sierra

sound like the timming is off i would check it first then have the starter checked that might be your noise

Posted on Nov 29, 2008

  • 6 Answers

SOURCE: 1997 GMC Sierra Truck Ignition Switch

its a long process,you need a steering wheel puller, once its off take the hazard button assembly out, take the turn signal loose, pull old ignition out, carefully install new one, and reverse procedure and always if u get confused i would highly recomend
a chiltons manual they explain things great

Posted on Feb 16, 2009

dennymulford
  • 1055 Answers

SOURCE: 1998 GMC Sierra- runs rough then stalls when

had this problem on my neighbors 98 chevy truck with the same engine !!
it turnd out too be the fuel pressure regulator,you have too pull the upper intake too replace it!!

Posted on Jun 06, 2009

  • 335 Answers

SOURCE: 1989 GMC Sierra 3500 loose tilt steering column

Without taking the tilt mechanism off you can only reach 2 of the 3 bolts. If you use 1/4 in. socket on 1/4 in drive with 6 in extension you can just get at the left bolt. If you remove the tilt spring you can get to the bottom bolt. To remoce tilt spring retainer use standard Phillips.

Posted on Jul 19, 2009

Molson02536
  • 3854 Answers

SOURCE: 2004 GMC Sierra 4dr truck. the fan does not work

The switch or the wire harness at the blower motor has gone bad. The highest setting 5 has no resistor, so the blower runs on high but the high current flow ends up burning up the switch's contact on that setting or the resistor wire harness at the blower motor has gone bad. Common would be the switch it self, if the switch is good. Then it's going to be the wire leads at the speed resistor by the blower motor under the glove box by the passenger leg compartment. Keep me posted, be glad to help you get your Sierra running 100% again soon.

Posted on Jan 06, 2010

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1 Answer

1989 GMC Sierra 1500 heater blows cold air. Changed thermostat. Both hoses are cold.


check antifreeze level add if low, and check intake heat control valve on ps side of intake if its locked shut it can be removed and a water pipe nipple put in place of it and the heater hose reconnected..if the water pump is good, it should give heat this valve should be on the intake with a heater hose connected to it..and its vacuum operated but will jam shut with age and cold weather..good luck..

Jan 19, 2013 | 1989 GMC Sierra

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Just got an 1989 gmc 2500 pick up 5.7 v8 the only way i can keep it running is to spray gas into tb. It starts sometimes on its own but i have to iv it to keep it running. The truck had been sitting for...


you say it has been sitting for sometime and thats the problem,you have a fuel problem you dont mention the [fuel filter]have you changed it and when you have done so remove the air filter and try to start,this engine is starving of fuel or air ,but i suspect when it fires it will be ok.adrian,,

Sep 06, 2010 | 1989 GMC Sierra

1 Answer

My 89 GMC K1500 stalls randomly when i start while its warm


there is a condition,we,as,techs,call,closed loop,and,opened loop,this is the if from cold,and warm,best advise is,it needs to be put on a scanner,to see what sensors are doing

Apr 04, 2010 | 1989 GMC Sierra

1 Answer

My gas gausge doesnt work in my 89 gmc sierra. How


If all your other gauges work, more than likely you have a bad sending unit in the gas tank or bad ground to the sending unit.

Feb 12, 2010 | 1989 GMC Sierra

2 Answers

1989 truck stalls when hot.


Have you chg. fuel filter? If so, best to do a fuel pressure test, sometimes( not always) when the pump gets warmed up they can loose a little pressure and thats all it takes just a few # under recamended p.s.i and the truck quits running, you may hear the pump run but its not putting out the correct pressure until it cools down and it starts working again, but after a while quit all together.

May 27, 2009 | 1989 GMC K1500

1 Answer

89 GMC Sierra problem


there is an ignition module located rite beside the distributor cap on the distributor base these are well known for getting weak and heating up thus causing your engine to stall.

Oct 13, 2008 | 1989 GMC Sierra

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