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LHS Rough Idle
I have a 96 LHS. 69k miles.
Never had any problems of any kind. Then I smelled gas. Poked around and noticed gas leak near the #3 cylinder injector. Found out about the recall, so took it to local Dodge dealer to have fuel rail replaced. They replaced the rail and the o-rings on the injectors. I had them replace all of the belts and timing belt too. Thought it would be wise to replace the timing belt since it had over 65k miles.
I drove it for a few hundred miles and noticed that the idle was rough. Next day it stalls while driving. The codes were for misfire. Took it back to dealer, who told me it must be the wires, since they were the original wires and were disturbed when they replaced the injectors. So I let him replace the wires.
The new wires did not help. It still has a rough idle. I get P0305 and P0300 codes at least once every few days and usually every day. These codes are for #5 misfire and random cylinder misfires.
Before they serviced it, the engine idled fine, now it is still rough, so I thought maybe they put the timing belt on wrong. This morning I took the covers off and looked. At TDC, the marks on the both of the sprockets are right between the dots, dead-on with some pencil marks the techs must have made. I noticed that the bolt on the left side sprocket (near #1) had been replaced. Otherwise, nothing unusual.
Could this be the intake manifold gasket problem?
Any ideas?
Thanks,
Jerry
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