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2000 Chevrolet Monte Carlo Question: I have a 2000 monte carlo and have a code of p0301.

 

Question

dnumber4, Florissant, MO, April 14, 2012, 20:17
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code p0301 and overheating. replaced thermastat,water pump, and radiator plus it does not put heat out with the heater on

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  • Answer #1

    milesauto from Miles Auto Service Inc., April 15, 2012, 08:55
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     Master

    P0301 is a missfie fault detected at #1 cylinder. Better pull that spark plug and check for coolant getting in that cylinder. Could be a bad intake or worse a blown head gasket.

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    dnumber4, April 15, 2012, 10:44
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    that plug does have more moisture than the rest. how can i tell if its the head gasket or intake

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    milesauto, April 15, 2012, 17:54
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    Give me more info about what size engine and I will get back to you Monday, At work I have access to more info. Have you had this engine overheat very bad and how long ago?

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  • Answer #2

    floridasebastian July 21, 2012, 12:59
     Rookie

    The code is the egr valve, its easy to replace.

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