Question about 1991 Toyota Pickup
I have a 91 4WD pickup with the 3VZ engine. After towing a trailer to Oklahoma and back, the check engine light occasionally flickers on. The pickup runs fine. Oil cap and fuel cap are on tight. Vacuum lines visually inspected look OK. Fuel mileage is the same as I had on previous trips. Obviously I have some emissions sensor problems. Coule you give me a list of things which would warrant checking? TIA...jjb
My 1998 mercury mystigue engine light flickers off and on and the mechanic just change the speed sensor and all the fuses.
Posted on Jan 14, 2009
Check the oxygen sensor or catalytic converter might be bad; but I would check the oxygen sensor first. Also clean the cold air intake sensor, if there is something cover it then you'll see the checkengine flickers on but your engine is running fine.
Posted on Sep 04, 2008
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Posted on Jan 02, 2017
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