2013 dodge Grand caravan slight misfire?

Joined
Oct 30, 2021
Messages
199
Our van has been doing this slight bucking while driving it's not severe and hasn't thrown and engine light. Plugs are new oem plugs. Misfire counter shows a few misfires on cylinders 2, 3, 5.
Usually less than 10 each time we drive. At idle it kind of feels rough intermittently as well. Gas mileage is about 18 and 1/2 fuel trims look good plus or minus 3. The van has 107,000 miles on it we bought it at 104,000.
Compression test was done by me this morning. Fuel and spark disabled all plugs removed engine was cold.
Readings were as follows.
Cyl 1 142
Cyl 2 148
Cyl 3 130
Cyl 4 132
Cyl 5 135
Cyl 6 138
That’s sounds like a Gen 1 3.6 penestar Cam and lifters are worn out . causing misfire . Take it to a FCA dealer get them replaced with the updated parts
 

wheelman

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Joined
Mar 9, 2012
Messages
214
Location
USA 🇺🇸
That’s sounds like a Gen 1 3.6 penestar Cam and lifters are worn out . causing misfire . Take it to a FCA dealer get them replaced with the updated parts
Rockers are all ok and there is no ticking. Apparently there was a valve seat issue on some but Chrysler said ours wasn't included. They did say it could be included possibly though if the dealer agreed with my diagnosis. We may have to pay to fix it and they'll reimburse us.
 
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