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#1 | |
AF Newbie
Join Date: Jul 2010
Location: Attleboro, Massachusetts
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3.8 Runs very rich
I have check coolant temp sender and air temp sender they are with 4 degrees of eachother. I have four codes p0172 ( rich code ) p0175 (rich code ) p0300 random misfire, and a p0135 but with scanner hooked up it is running with in paramiters, I checked for leaking injectors. none found. the thing is burning a ton of fuel and runs real rough.
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#2 | |
AF Newbie
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Join Date: Jul 2010
Location: Attleboro, Massachusetts
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Re: 3.8 Runs very rich
Found the problem, it was a bad fuel presure regulater. it was filling up the intake with fuel, installed a new part and runs like a champ again
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#3 | |
is bring'n sexy back
![]() Join Date: Mar 2005
Location: Crookfield, Illinois
Posts: 7,986
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Re: 3.8 Runs very rich
Nice catch.
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