Problems for specific Chevrolet Express 1500 years:

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Most reported 1998 Chevrolet Express 1500 problems

 

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The intake manifold gasket may develop and external engine oil or coolant leak. In some cases, an internal coolant leak may occur causing coolant to mix with the engine oil. Running the engine with a coolant/oil mix may result in engine damage. Replacing the intake manifold gasket should correct this issue.

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Verified for the Chevrolet Express 1500

One or more fuel injectors may become stuck closed causing an engine misfire and the Check Engine Light to illuminate. Our technicians tell us that this problem can be caused by some fuel additives. There are special procedures which may be able to restore the affected injector. If this fails the affected injector must be replaced.

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Verified for the Chevrolet Express 1500

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.

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Verified for the Chevrolet Express 1500

The alternator may fail causing the battery to go dead. The charge light on the dash may or may not illuminate. The alternator may also develop an abnormal noise. A failed alternator will require replacement.

10 Reports
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Verified for the Chevrolet Express 1500

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

9 Reports
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Verified for the Chevrolet Express 1500

A coolant leak may develop from the water pump. This can result in an engine overheating condition. A leaking water pump will require replacement.

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The engine may develop a misfire due to worn valve seats. This fault will cause the Check Engine Light to illuminate. Our technicians tell us the misfire may or may not be felt while driving. They further recommend that both cylinder heads be removed and thoroughly inspected and repaired as necessary.

7 Reports
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Verified for the Chevrolet Express 1500

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.

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Verified for the Chevrolet Express 1500
Various electrical components under the front carpet/rubber mat may become damaged if excess water is used to clean the rear cargo area.
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Verified for the Chevrolet Express 1500

The tail light wiring harness in the cargo area is not protected very well. As a result it may become damaged due to normal wear a tear. This damage can causing some or all of the rear lights to stop working.

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