Problem Reports
Chevrolet Colorado
Report: Worn Valve Seats May Cause Engine Misfire
Chevrolet Colorado Problem
Model Years Affected: 2004, 2005, 2006, 2007
Engines Affected: 2.8L 4 Cylinder, 3.5L 5 Cylinder, 3.7L 5 Cylinder
Average Mileage: 88,570 mi (33,500 mi - 226,000 mi)
The engine may develop a misfire due to worn valve seats. This fault will cause the Check Engine Light to illuminate. Replacement of the cylinder head may be required to correct this concern.
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Visitor, 2006 Chevrolet Colorado, 2.8L 4 Cylinder, 62,355 mi
Misfires, rough idle, check engine light stays on.
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Visitor, 2004 Chevrolet Colorado, 3.5L 5 Cylinder, 124,605 mi
check engine light solid always -3&5 cylinder misfire code stalls alot when stopping slowing down in traffic i have replaced spark plugs all coils
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Visitor, 2006 Chevrolet Colorado, 2.8L 4 Cylinder, 75,000 mi
Misfire on # 3 cylinder replaced heads.
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Visitor, 2006 Chevrolet Colorado, 2.8L 4 Cylinder, 81,000 mi
runs rough at times
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Visitor, 2005 Chevrolet Colorado, 3.5L 5 Cylinder, 43,000 mi
It seems this problem has been going on for sometime my truck only has 43,000 miles on it it should not have worn valve seats with this low milesage General motors should stand behind fixing it my repair shop says it will cost Around $3,000 to fix it.Allen Weatherman
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Visitor, 2004 Chevrolet Colorado, 3.5L 5 Cylinder, 226,000 mi
number 3 cylinder has went down
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Visitor, 2004 Chevrolet Colorado, 3.5L 5 Cylinder, 91,387 mi
Miss fireing...Valve problem.
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Visitor, 2004 Chevrolet Colorado, 2.8L 4 Cylinder, 95,000 mi
misfires during idle speed or hauling loads
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Visitor, 2004 Chevrolet Colorado, 3.5L 5 Cylinder, 33,500 mi
So, I just failed my emission test. Said my # 5 cylinder is misfiring. I replaced coil and plug with no change. Now I find out that GM has valve seat problems with this engine. If it is a common problem do you think GM will stand behind their engines and repair them or do I have to pay the total amount >|???
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04Rado, 2004 Chevrolet Colorado, 3.5L 5 Cylinder, 65,000 miRookie
I have a 2004 chevy colorado at around 65,000 miles the check engine light came on idles rough and get a code for misfire in #1 cylinder check plugs, coil packs, and injectors all checked out fine suspected worn seats in cylinder quoted $4,000 to replace cylinder head i hav talked to several people in my area same trucks same year low miles and same problem there should be a recall if this is so common
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