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02 Chrysler van 3.8 came in with blown head gasket and a check engine light for misfire no1 cyl. Installed new head gasket new rebuilt heads plugs wires started up still misfire 1 and now 4

Have put in new injectors and coil plugs wires fuel pressure is good injectors spraying fine still misfire in 1 and 4 van has original ECM took to dealer their engine man said he was 90 percent sure it has a worn camshaft after he took a look at it. I just keep pouring money into 02 van with 335000 miles i bought it new its a limited everything still works except this misfire also compression readings have been erratic in no. 1 and 4

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Erratic compression indicates a cam lobe problem or cam follower problem
with that many miles on it , the cam shaft will have wear on it but the rest of the motor will have considerable wear including possible ring problems on the numbered pistons
If the body is rust free consider a new -out of the box engine as a cheap plug to stop the repair waste of money

Posted on May 06, 2017

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Posted on Jan 02, 2017

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