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402 Motoring 04-02-2011 10:11 AM

Need Opinions
So after getting a P1411 code on Monday and discovering that a mouse had been under the engine cover, we decided to pull off the intake as well. Long story short although the mouse was under the intake too, none of the wires were chewed on the MDS solenoids. As a per caution we decided to replace the #1 cylinder MDS solenoid and then put everything back together. Started the motor and it seems like the lifter on the #1 cylinder isn't working. We let it run for a few minutes and then it went away. Later in the day we restarted the truck and the miss is back and it has a pretty good tap. So this is an intermittent problem.

My question is do you think I could have a bad lifter? How could it work and then not work? Thats the part I don't understand.

BTW since we put the intake and the new solenoid in I'm not getting any codes.

4.whoa 04-02-2011 12:16 PM

Re: Need Opinions
Did you change the oil yet? It HAS to be 5w20 or thinner. any thicker goops up the mds :thumbsup:

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