Rough idol when in traffic
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New User
Joined: Aug 2018
Posts: 15
Likes: 0
From: 98444
Well this truck is going drive me mad
Ok bought the code reader but no codes check engine light is off. Got a fuel filter and replaced it.run better but still acting funny I drive semi trucks so I know when it's almost like it's flooding out at lower rpms. Not shotgun approach just want it to run better. No vacuum leaks,fpr is new,plugs,wires,cap and button are new,. Checked fuel lines no kinks or leaks. It's been getting me to work everyday
.so I will have to wait till check engine light comes on.then run the code reader.
.so I will have to wait till check engine light comes on.then run the code reader.
Logistics Pro
Joined: Mar 2005
Posts: 4,698
Likes: 47
From: Mexico, Missouri
So that tells me that either you have a PCM problem or the pins/connector need cleaned.
Verify that the DLC Connector contacts are clean, corrosion free and then try again.
If that fails to get any results, then the PCM is suspect.
Verify that the DLC Connector contacts are clean, corrosion free and then try again.
If that fails to get any results, then the PCM is suspect.
Fleet Owner
Joined: Oct 2005
Posts: 20,786
Likes: 1,751
From: Kentucky
X2 to the above response. Sometimes those pins on the data link get really corroded. Use some contact cleaner or a small nail file to clean them up then try running the KOEO tests and Stored Code display again.
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