Question about 1997 GMC Jimmy

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How to tell when the heting coil is bad 1997 MC Jimmy

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It is only bad and non functional if one you have a sweet smell inside the vehicle or see steam out the vents when the engine is hot and unexplained coolant loss. The Second the heater core can be plugged with rust, it doesn't leak buy you have no heat, this can be checked by seeing if both the hoses to the heater core under the hood at the firewall are hot, if only one gets hot then the core is likely plugged.

Posted on Feb 13, 2012

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Posted on Jan 02, 2017

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My 1997 gmc jimmy will turn over but not start?


are you gettin fuel ? are you getting spark ? if so is it bright blue it should be if its orange is bad
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May 09, 2011 | 1997 GMC Jimmy

1 Answer

I have a 1996 chevy 5.7 vortec engine idles high at 1000 and when you open throttle fully it has like a misfire no power


This could be anything from a bad vacuum leak to bad ignition coil to spark plug wires to distributor cap and rotor or ignition coil. From the sound of this I would look to the vacuum leak or the EGR.

Apr 05, 2011 | 1997 GMC Jimmy

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My 97 jimmy has a no run tested coil have power to coil but no spark at the plugs any help would be great


Check the coil wire for spark at the distributor cap. If you have spark there, check the rotor button and the cap for corrosion or failure.

Jan 25, 2011 | 1997 GMC Jimmy

1 Answer

1997 GMC JIMMY check engine light goes on & off very very heavy on fuel all of a sudden lots of rpm -- but has no power hesitates then gets a bit of power then hesitates again


need to have it scann for engine codes to know whats wrong it could be lot stufff.it could be injecter, computer,plugs,plugswires,coil packs,or just coils, a weak fuel pump.

Jul 30, 2010 | 1997 GMC Jimmy

2 Answers

97 gmc jimmy service engine light flashes while running and idles rough


you probably have a miss fire, when it flash it tell you that you do have a problem and you need to get imediate attention.
more likely you have a bad plug, wire or coil

Mar 07, 2010 | 1997 GMC Jimmy

1 Answer

Fuel gauge stuck on half full


I can tell you almost for certain your fuel level sending unit is bad, I have been able to fix them though. It requires removing the gas tank and then the fuel pump. You can if your inclined, bend the brushes on the small circuit board over more so they will make better contact on to it. Other wise its a new fuel pump assembly, check all plugs and wiring by unpluging and repluging them to insure no bad connect. It is possible it could be the guage itself, but in thirty years of fixing cars never had a bad guage

Jan 07, 2009 | 1997 GMC Jimmy

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