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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My 1997 gmc jimmy will turn over but not start?

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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

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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

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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

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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.
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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

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