LB7 Crank, No Start
I've been towed home twice now. Pull in on a run and she won't restart.
Finally completely dead. Good crank, no start at all. (New batteries, starter) First recovery I was able to clear all codes and the I/M, ground the pos battery terminal and it ran better than ever. Threw a P0700 and MIL, said transmission controller... Second event, pulled in. Went to restart, ran for a sec, then dead. Previous tricks no effect. This time no codes but the I/M is showing an MIS and CCM "X" again. So trouble somewhere... Suspect a crank or cam position sensors. Possibly the Fuel Pressure regulator. Also saw video wear a bad ground was the culprit ... 2001, GMC, 2500HD, 4x4, lift pump, 300K miles. Had it a year no issues. Automatic transmission gear selector on steering column seems worn... Open to suggestions... |
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