Question about 1991 Ford F150
Got a 91 ford F150 with a 4.9 straight 6 bought it from a friend.Before he park it last year there was nothing wrong with it. Now when started smell raw fuel from exhaust an check engine light is on. Runs real ruff an if at all. please help..
Fuel pressure regulator faulty or dirty
Posted on Dec 06, 2013
It is shows more petrol in the combustion chamber check first sparkplugs put new plugs,if you have stil have problem the cylinder head needs to remove means valves inlets and exhaust to granding to make correct angle valve seat.
Posted on Oct 23, 2008
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Posted on Jan 02, 2017
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