Question about 1985 Ford F150
I have a 1985 f150 that has a really rough idle it was taken into the shop and it has an exhaust manifold leak but I also think theres something els making it idle really rough what els should I check?
An exhaust manifold leak would not case it to run rough. Check vacuum lines that go to the in take manifold. If you have a line that is open it will get too much air at idle and cause a misfire intermittently. You also need to check plug wires. How long have the plugs been in the heads. Check the rotor and cap also.
Posted on Feb 18, 2009
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Posted on Jan 02, 2017
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