Chevrolet 2500 Pickup
Report: Check Engine Light With Code P1870
Chevrolet 2500 Pickup Problem
Model Years Affected: 1999, 2000
Verified
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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The distributor may develop internal faults. This can cause a rough running engine or stalling...
Common Problems > Chevrolet 2500 Pickup
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Can be hot or cold, engine misses, and does not take fuel. Start engine, let idle for couple minutes, drop in gear, does ok. When going down highway, press on fuel pedle, engeine bogs down and catc...
Q&A > Chevrolet > 1999 Chevrolet 2500 Pickup
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One or more fuel injectors may become stuck closed causing an engine misfire and the Check Engine Light to illumin...
Common Problems > Chevrolet 2500 Pickup
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The engine may develop a misfire due to worn valve seats. This fault will cause the Check Engin...
Common Problems > Chevrolet 2500 Pickup
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Illumination of the Check Engine Light can be caused by a loose or worn gas cap.
Common Problems > Chevrolet 2500 Pickup