misfire 5.4 2002 - FordTough.ca - Home of Canadian Ford Truck Enthusiasts
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post #1 of 1 (permalink) Old 07-19-2012, 08:55 PM Thread Starter
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Question misfire 5.4 2002

hi i have a misfire on my truck with no code. i had change spark plug for dealer model and 8 coils on plug. and my idle is 550- 600 rpm. hard acceleration is ok,but at 100 km/h steady is buck. ( 1400 to 2200 rpm) compression is ok (min 120 psi and max 150 psi at cold) vacuum leak? i remove my cat for sure is not clogged.

tanks for your help

martinp is offline  

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