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Ron, ASE Certified Technician
Category: Ford
Satisfied Customers: 23821
Experience:  23 years with Ford specializing in drivability and electrical and AC. Ford certs and ASE Certs
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I have this 4.2l 2001 f150 truck and when is idling cold it

Customer Question

I have this 4.2l 2001 f150 truck and when is idling cold it shakes like crazy, but as soon as it gets to normal temp it smooths out. Also when I am driving it and I step on the gas to gain speed it shakes and missfires and it takes me up to 1/4 of a mile to get to 40mph. Can you please help. This is filiberto
Submitted: 1 year ago.
Category: Ford
Expert:  john -aka eauto replied 1 year ago.

301 is a misfire did you start with a basic tune up? plugs and coils?