Check engine light comes on only when I put truck in gear
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Doesn't ring any bells for me
I assume an automatic transmission?
Could be loose connection on transmission, i.e. solenoid wire is losing contact with computer so CEL comes on and goes off, it wouldn't set a code if it was momentary
Should be a 3-wire plug in, on drivers side of transmission, in front of shifter, unplug it and look at contacts, plug it back in
Doesn't ring any bells for me
I assume an automatic transmission?
Could be loose connection on transmission, i.e. solenoid wire is losing contact with computer so CEL comes on and goes off, it wouldn't set a code if it was momentary
Should be a 3-wire plug in, on drivers side of transmission, in front of shifter, unplug it and look at contacts, plug it back in
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4.0L OHV & SOHC V6 Tech
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10-07-2019 11:32 PM