misfires after plug change etc on 2000 Dodge Ram Van 1500

I replaced and rechecked the gap and plugs which are fine, but the 135 show a misfire. I replaced the thermastat & radiator as well all with in the month. Now it bogs in morning starting for ten minutes and then is fine.

by in Chicago, IL on June 26, 2011
1 answer
ANSWER by on June 26, 2011
135 is a o2 sensor code. missfires are the 300 series. it is a heater fault in bank 1 sensor 1. it could be wiring or a bad sensor. get a shop to confirm. Roy

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