Question about 1998 Chevrolet C1500
I have had some problems with my 98 chevy truck with a 5.0. It started out where I had rough idle when I would come to stop lights, seeming like it would load up with fuel. I took it in and they said I had a bad MAP sensor and post cat 02. I took it home and replaced them and cleared the codes. Then I got these codes, P0151, P0300, P0507, P1153. I checked the right bank plugs and they were fouled, replaced but didn't fix the rough idle. Replaced the right bank 02 and cleaned the idle control valve, now runs much smoother, but still a fast idle in park 1200-1300 rpm. It will idle fast in gear coasting as well. Code P0507. Any ideas on the fast idle??
Try cleaning the throttle plate with the right cleaner . from a auto parts store.
Posted on Mar 02, 2009
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Posted on Jan 02, 2017
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