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#1
02-26-2010, 08:13 PM
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'02 ram 3.7L issues
working on a ram 3.7 with 120,000 miles on it, has a bad misfire and pocket scanner gave me a p0306 code (#6 cyl. misfire) . replaced plugs and coil but still no remedy. checked compression and gave me a low reading compared to the other 5 cylinders. they read at 150 psi and the #6 read at 80-90 psi.
anybody else have this problem? and will i have to replace the piston rings at my cost or is there a TSB or recall or something about this. this truck has low miles IMO for this to happen.any help or advice 
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#2
02-27-2010, 05:54 PM
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Re: '02 ram 3.7L issues
Is there exhaust smoke?
__________________
1992 Bravada, 201K, stock 1997 Bravada, 101K, stock...was "called away"  "Cornbread Red", 2001 Dodge 2500,4X4,HO Cummins Diesel,QC,SWB,6spd.,Banks boost&pyro,US Gage fuel press.,Edge Drag Comp,4"exh.,cowl hood, bhaf, black Holley pump, 140gph...13psi WOT, Vulcan Big Line, kevlar/ceramic single disc clutch, cheapo fuel cooler, 8x.010" vco injector nozzles, Cat turbo 62-65-.70A/R, 497hp 1089 tq 8/25/14  Time to turn so's you don't burn. 
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#3
03-01-2010, 08:18 AM
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Re: '02 ram 3.7L issues
it is most likely not the rings, but is probable a burnt valve. was the truck "short tripped" and did the owner use cheap gas with the epa minimum detergent?
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2006 liberty 3.7 6speed manual 1999 cherokee classic 4.0L 1991 wrangler yj 2.5L 2001 caravan 3.3 auto 1995&1992&1994 camry 2.2L SOLD 1991 silverado 1500 SOLD 2000 rodeo SOLD 
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