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What do I do for a 2003 4X4 Chevrolet Avalanche 1500 shows a DTC p300
2003 CHEVROLET AVALANCHE
I need to fix this it shows the check engine light when I go over railroad tracks and at times when I idle.
have the same problem?
Tuesday, December 13th, 2011 AT 5:50 AM
Engine misfire detected. Check the plugs. Make sure they're properly installed. Make sure the plug wires are properly connected. Check the connectors and grounds for the coil(s).
Tuesday, December 13th, 2011 AT 5:58 AM
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