Question about 1999 Ford Expedition
My vehicle sputters while driving. I recently replaced the IMTV, heater core, spark plugs and wires, pcv hose and valve, and the fuel filter. I am frustrated I have cleaned the throttle body and egr valve as well. the vehicle has power and switches gears well but it still sputters almost like a vibration on the acceleration pedal. Any ideas
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Posted on Jan 02, 2017
No use what's in there, but have the engine de-carboned by a Ford dealer, or remove the octane adjust shorting bar located near the ignition module (retards timing 2 degrees), this will in most cases cure the issue unless there is allot of carbon in the cylinders. There are also methods of ing this de-carbon procedure at home, check on the internet for tips.
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Posted on Oct 22, 2008
it's getting to much egr the egr has gone bad and needs replaced.
the diaphragm in the egr is leaking, and default position for air is defrost.so when you hit 3000 rpm you don't have enough vacuum.
Posted on Apr 30, 2009
check your PCV valve.usually found on valve rocker cover.the 'ball bearing'inside it should rattle freely.check vacuum hoses for leaks.
Posted on Sep 22, 2009
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