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The Engine Misfired, What Could It Be?

The Engine Misfired, What Could It Be?

I have a 97 Chevy silverado 5.7 motor. Has a misfire when cold started not as noticeable when warmed up. Shows 5 cylinder misfire and o2 sensor heater circuit malfunction bank 1 sensor 1 on codes. Have replaced plugs, wires, cap and rotor. Any ideas what would be the problem? Would the o2 sensor cause this?
Gari.pk User 7861 asked on 28 Aug 2010 11:12:22 am
1 Answer
179 views |
Rehan - on 28 Aug 2010 11:12:36 am
check plug cables and lugs itself. if they are fine then it can be the distributor (if any)
 

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