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Old 02-03-2010, 08:24 PM
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please help im new..engine has rough idle

well my truck was running perfect (just bought it) then i noticed a oil leak from the back of motor, come to find out it was leaking out of the icp sensor...the o ring was bad on the sensor and the thing was barley hand tight!! so i go and get a new o ring and put it right back together.. no more leaks but now the truck idles loppy and even rougher when u put it in gear? any ideas i took it for a good ride and let it warm up if definitely lacks power for sure....

what should i do? take the sensor out and buy a new one>? it was running fine until i took it out to put a new o ring on there. hmmm..


thanks guy i reallt appreciate it
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Old 02-03-2010, 08:26 PM
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Scan for codes and get back to us
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Old 02-03-2010, 08:30 PM
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Scan for codes and get back to us
no codes... with a reader from advanced auto tho
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Old 02-03-2010, 08:36 PM
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Their scanner wont pull the codes correctly. It needs to be CAN capable. Start a thread over here asking if anyone can scan you in the area.

Michigan BS thread
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Old 02-03-2010, 08:42 PM
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Originally Posted by ABoyAndHisToys View Post
Their scanner wont pull the codes correctly. It needs to be CAN capable. Start a thread over here asking if anyone can scan you in the area.

Michigan BS thread
alright ill ask them..so even without a SES light it can figure something out?
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Old 02-03-2010, 08:53 PM
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oh ya, 03 and 04's dont throw a ses light for nothing, ive had 2 egr valves go out egr cooler, oil cooler,(blew the head gaskets) sticking turbo, and one injector. all without a ses. good thing i had a scanner to get the codes.
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Old 02-03-2010, 08:58 PM
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Originally Posted by scotty2280 View Post
oh ya, 03 and 04's dont throw a ses light for nothing, ive had 2 egr valves go out egr cooler, oil cooler,(blew the head gaskets) sticking turbo, and one injector. all without a ses. good thing i had a scanner to get the codes.


strange hey...i just put a new o-ring on my icp sensor (it was chewed up) tightened it up and then it started running like this rough and ****ty


weird weird.. it was running perfect before did this lol just leaked oil
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Old 02-03-2010, 09:05 PM
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could be the sensor but i would have it scanned and see what your icp pressure is. and/or what codes come up. it is weird thou.
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Old 02-04-2010, 03:53 AM
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Originally Posted by ABoyAndHisToys View Post
Their scanner wont pull the codes correctly. It needs to be CAN capable. Start a thread over here asking if anyone can scan you in the area.

Michigan BS thread
well i found a can capable scanner (Amazon.com: Actron CP9180 AutoScanner Plus Diagnostic Code Scanner with Live, Record and Playback Data Capability and O2 Monitor Test for OBDII Vehicles: Automotive how do i get in deeper than just reading a ses light or will this unit do the job for me? its in my hands right now...
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Old 02-04-2010, 05:20 AM
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most scanners only read basic codes, your going to want to get your hands on a ae (auto ingenuity). did you hook that one up yet? if so what did it show.
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