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1983 - 2012 Ranger & B-Series All Ford Ranger and Mazda B-Series models

CPS issues

Old Aug 10, 2012 | 09:40 PM
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jb10725
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From: St. Francois Co. Missouri
CPS issues

I am having an engine issue with my 1995 Ranger with a 2.3L. I have been having a P0340 code that kept appearing after several attemps at resetting the PCM. I gave up and took it to a Ford dealer for diagnostics and they called the CPS bad. They changed it, but the CEL light immediatly came on with the code still kept coming up. The service rep. showed me the old sensor, it had a spot on the head of it where it looked like something was rubbing it. I'm assuming it's slightly rubbing on the gear it points to, which is the oil pump gear, correct? Has anyone else had this happen? The truck runs fine, no performance issues whatsoever. Is it possible my oil pump shaft has developed play in it's shaft, causing this? Thanks for any help you can provide.
 
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Old Aug 11, 2012 | 12:19 AM
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Just found something interesting regarding this code.

OBDII Code P0340 - Camshaft Position Sensor 'A' Circuit Malfunction | Engine-Codes.com

What I read was that SOMETIMES, this could be caused by a weak battery or poor starter. Apparently this is checked when the engine is initially tuning over.

Just a thought,

hj
 
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