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Ford Repair/trouble code diagnoses

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Expert: Dennis W - 10/22/2007


Question
i have a 1993 f-150 4x4 5.0 litre standard trans
my engine lite flashes when driving but doesn't stay on solid,i pulled the code 67,what should i check for as i would like to further my diagnoses  thank you,ken

Answer
Code 67 is either caused by the AC being on when you check codes, or short to power in the circuit. Make sure the AC is off and repeat the self test.

A flashing CEL indicates a catalyst damaging misfire or a problem with the oxygen sensor that may cause catalyst damage.

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Dennis W

Expertise

I am a retired Ford master tech specializing in electrical, climate control, emissions, driveability, chassis, brakes, and any light repairs. Currently employed by an independent shop that appreciates my knowledge and abilities. Cannot answer transmission or parts questions, these are not areas of my expertise.

Experience

37 years of auto repair, diagnosis, and emissions testing, in service staions, independent garages, and 20 years with Ford dealers.

Organizations
National Street Rod Association (NSRA)
International Automotive Technicians Network (IATN)
IAMAW (retired)
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Education/Credentials
Riverside City College Automotive technology program
Ford Master Tech Certified Engine and Chassis Master (Over 500 hours)
ASE Certified in 7 categories
6 years training in Union 76 Pro-tech program

Awards and Honors
4-time Technician of the Year at Almaden Lincoln Mercury
Ford Master Tech
Union 76 Pro-tech Master tech

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