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Old 06-22-2012, 07:35 PM
AZbigdave AZbigdave is offline
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Default Throwing error codes

Blew the hose from the heater core to the thermostat housing. Fixed it temporarly and headed home. While driving home I threw codes P0301 and P0302 which are cylinder #1 and #2 misfire. My CarMD recommends "replace spark plug wires and plugs." Could the steam and coolant blowing out the hose have damaged the wires? It runs very rough at idle and the engine block shakes while idling. Thanks.

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To add to this thread, I have replaced the blown hose with a new one after I returned home.
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Old 06-24-2012, 10:10 AM
AZbigdave AZbigdave is offline
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Default Re: Throwing error codes

Just replaced the spark plug wires and inspected the plugs. As I was afraid of, it still is showing the same error codes. Anyone think it's the coil? If it was just running rough it could be vacuum hoses, but with the error codes I'd think it was something more serious. Any ideas?
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cylinder misfire, p0301, p0302

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