not fireing i can put a jumper wire to the PCM fuse and then the fuel pump starts but it still does not fire The fuel pump is controlled by the ecm and only works when coils are working. So.. check ...
...open to D.P.F. EGR sensor D.P.F. EGR sensor downstream hose off or plugged EGRVR circuit open to PCM VPWR open to EGRVR solenoid D.P.F. EGR sensor hoses both off D.P.F. EGR sensor hoses reversed ...
Plug the correct "noid" light directly into the injector harness connector If the correct "noid" light flashes while the engine is running, the injector driver circuit inside the PCM is working If one
...what electrical components might need to be relaced? have you check the crank sensor Troubleshoot PCM Power relay--probably in relay box under hood. Please see my tip at ...
...plug well,fuel pressure @28psi,fuel filter good not restricted.maybe sticky valves or defective pcm? A misfire at idle that smooths out at cruise is ALMOST ALWAYS caused by a vacuum leak. Take a hard ...
...have intelligent discussion with mechanic. Problem with idle speed. The idle is controlled by the pcm (engine computer) through the operation of the Idle Air Control valve or motor. But several ...
PCM to read HO2S system?? please if there is any one who know the procedure and the software then plz share it with us i'll be great full to him/her. This soft ware will have to be entered by a laptop
Question about 1999 Crown Victoria
...replace all O2 sensors (done) suggested replacement of #1 Coil only. Firestone Says could be MAS or PCM. Replaced all spark plugs. Subsequent testing by other independent shop shows Cylinders 1,2,3 ...
Question about 1999 Crown Victoria
plug system. (Single coil for each cylinder) if this is the case and you replaced the correct coil (cylinder 4 is the very rear cylinder on the passenger side) then the coil is not getting a signal to
Question about 1999 Crown Victoria
...You can use a noid light in the plug to see if the PCM is doing it's job. It should flash as you crank it over. Also check the PCM wire at the plug and make sure it isn't broken. Use an ohm
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