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Problems for specific GMC Jimmy years:

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Repairpal verified 1999 GMC Jimmy problems

 

Verified for the GMC Jimmy

The distributor may develop internal faults. This can cause a rough running engine or stalling condition, the Check Engine Light may or may not illuminate. Our technicians tell us that the distributor should be overhauled or replaced to correct this concern.

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Verified for the GMC Jimmy

A Loose or worn gas cap may cause Check Engine Light to illuminate.

9 Reports
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Verified for the GMC Jimmy

Vehicles equipped whit a 4 speed automatic transmission may develop a harsh 1-2 shift and/or illumination of the Check Engine Light with code P1870 stored. This can be caused by wear of the bore for the TCC isolator and regulator valves in the valve body. This condition does not commonly occur until the transmission reaches normal operating temperature. If the valve body is worn, replacement will be necessary to correct this concern.

13 Reports
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Verified for the GMC Jimmy

A fluid leak may develop from the transmission output shaft seal. This leak may cause the transmission mount to become oil soaked and require replacement of the mount along with the leak repair.

6 Reports
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Verified for the GMC Jimmy

The heater core under the right side of the dashboard may leak engine coolant which can puddle on the passenger front floor. The loss of coolant may cause an engine overheating condition. Our technicians tell us that removal of the dash board is necessary to replace the heater on these vehicles.

20 Reports
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Verified for the GMC Jimmy

The Anti-lock brake system (ABS) control unit may fail internally causing the ABS warning light to illuminate.

31 Reports
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Verified for the GMC Jimmy

The fuel pump may fail causing the engine to stall and not restart. Our technicians recommend replacing the fuel filter every 30,000 miles to help prevent undue strain on the fuel pump.

25 Reports
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