Having problems with your 1991 Ford F250 ?
Egr valves located on a 91 ford 250 - 1991 Ford F250
Repair Help & Product Troubleshooting for 1991 Ford F250
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1) What is location of EGR valve for a 1994 Ford Ranger XLT, V-6, 4.0 L engine. 2) Just failed emissions as NOx too high. Attendant informed me that the EGR valve could probably just be removed - clean excess carbon off and reinstall. He felt confident that this wd resolve problem. - I'm just a desk-jockey, whadda I know ? Sound logical ? Possible ? Plz advise, Much thanks, Matt
I'm not sure exactly where the valve is located on your model but I'd like to offer advice. High NOx levels can be caused by faulty EGR valves. The valve operates off of vacuum and the problem may just be a torn or disconnected vacuum hose. H ... Ford Ranger
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I HAVE A P0300 OBD CODE I DID A COMPRESSION TEST TO ENGINE AND IT PASS THE TEST,I DID CHECK EGR VALVE,CHANGE SPARK PLUGS,IGNITION WIRES, CAP AND ROTOR, I DID CHECK TPS SENSOR MAF SENSOR,FUEL PRESSURE,AND OXIGEN SENSORSI I FOUND THAT ON BANK 1 BOTH SENSORS (UP STREAM & DOWN STREAM )WORKS NORMALY BUT ON BANK 2 THE SENSOR 1 CHANGE FROM 0 TO 600 MILIVOLTS BUT NO CHANGES FROM RICH TO LEAN &SENSOR 2 HAS 0 MILIVOLTS & NO CHANGES FROM RICH TO LEAN SO I SWICHT SENSOR TO TEST THEM FROM BANK 2 TO BANK 1 AN
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My 95 ford windstar had over 300 k on it before i sold it. two things that may have been are are consistent problems with them are relays in the fuse panel under the dash and the EGR module failing which causes the light to go on. if the light went ... Ford Windstar
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The idle air control valve is responsible for engine idle.\015\012this is a common failure on ford's. but I don't think yours is bad because it does idle high befor it dies.\015\012you stated you had codes p0171 and p0174 these are lean c ... 2002 Ford Taurus
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