Anyone dealt with 542 EEC IV code?

86ltrain · Nov 25, 2007

I get this code on my 93 Ranger, no check engine light but it keeps giving this code. The book says its a fuel pump secondary circuit failure. Not sure what that means?

Automan1988 · Nov 25, 2007

Have you pulled out the fuel pump fuse recently? When I pull the fuse and run if to get the fuel pressure out of the rail it will set that code.

86ltrain · Nov 26, 2007

No, but come to think of it I did use a jumper ground wire from the battery to the EEC test port to run the fuel pump. I bet thats what did it, damn I thought I was on to something...Thanks for the reply...

Anyone dealt with 542 EEC IV code?

86ltrain

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Automan1988

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86ltrain

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