P1491 Diagnostic Trouble Code Discussion for October 2013
EVAP Vacuum Cut Valve/Bypass Circuit Malfunction
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| Help Request | Posted | |
| 2001 Jeep Wrangler SE 4.0L MIL Lamp on, alt not charging VIN: 1J4FA59S51 P1491: ldp pump circuit. replaced pcm for no charge condition-works fine for about a week and then quits charging-have checked all wiring to alternator and leak detection pump-replaced alternator for possible internal problem-pcm is reman Chrysler-checked resistance of ldp on car vers... |
October 01, 2013 |
