loss of power and pulses when idles.. any ideas?

Asked by Jul 11, 2011 at 09:13 PM about the 1998 Ford E-150 STD Econoline

Question type: Maintenance & Repair

van has loss of power and pulses when it idles... have changed fuel filter and o2 sensors.. i checked for vacum leaks and couldnt find one this is the 4.2 v6

7 Answers

check idle control valve,is at end of fuel rail,pull hose if gas squertes out ,is bad.

Clean the throttlebody.

thanks for the input guys apreciate it

30

ALSO.. don't overlook the coolant temp sensor that sends signal to the comptuer.. cheap and easy replacement, and appears as many OTHER problems. Fixed my 1994 E150 5.8 when all the other parts did not.

3 of 3 people found this helpful.

your fuel pump may be getting week.

10

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E-150 I hesitate when you drive putting new plugs new wires new transmission the still hesitate

1 of 1 people found this helpful.

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