94 ford ranger dtc 542 and556 fuel pump runs all the time with koeo pull the fuel pump relay out , if pump stops , try replacing the relay . no doubt you have already fixed it seeing how old this post
1993 Ford E-350 Starts and runs for about 45 seconds then stalls and wont restart for hours. Put computer on it and get code 542 fuel pump secondary. I have new fuel pump and have checked and re ...
2001 ford f150 tranmission problem. I just replased my TPS and now my truck will not shift into overdrive. Never had any problem with the transmission before this.Thanks Remove the TPS. When you ...
1992.ford crown victoria i have a check engine light on the Code 542, Fuel pump secondary circuit whats this mean? the car runs perfect lots of power. take it to local auto store and have them read ...
1994 f-150 5.0 no start ,code 542 ,no fuel dash cluster lights stay on with key off and light switch unpluged Code 542 is the only one you need to worry about, and you've got the wrong definition for ...
starter motor went out on 92 5.0 ho replaced it and new battery, now fuel pump does not work I get a 542 code checked fuel pump relay and inertia switch both good fuse good Code 542 indicates one of ...
91 f250 351 utility bed dual tanks..no fuel pump sounds will not start receiving code 542? replaced fuel pump relay swapped ecm with 1 from wrecking yard started then died. can not figure out!!!!!!!!!
Question about 1995 Explorer
Replaced PCM on Ford 1995 explorer and now get 542 error code. Where is the PCM grounded? Through the wiring harness- it does not have a separate chassis ground.
Question about 1992 Mustang 2.3
1992 Mustang 2.3L no start/rough idling issues, and fault codes. I'm checking out no start and rough idling issues on my daughter's 92 Mustang 2.3L. Sometimes I'll get 157, 334, and 542 CM fault codes
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