Several Engine Codes

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Brad Biggs

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Ram Year
2008
Engine
5.7
I have a 2008 Ram 1500 5.7 Hemi. Recently it started throwing codes idling like crap not going over 10 mph, and not going above 2000 rpm. I have replaced the MAP sensor, Crank and cam sensors, oil pressure sensor and throttle body. It still does the same thing and these are the codes its still throwing.

P0122 - Throttle/Pedal Position sensor Switch A Circuit Low
P0335 - Crankshaft Position Sensor A Circuit
P0339 - Crankshaft Position Sensor A Circuit Intermittent
P0522 - Engine Oil Pressure Sensor/Switch Low
 
jws123

jws123

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2014
Engine
5.7
Have you tested your battery and alternator? oil pressure switch common failure on older trucks same for crank sensors will make it run like **** .
 
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Brad Biggs

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2008
Engine
5.7
I havent tested the battery or alternator. I will do those this weekend. I have replaced both the oil pressure switch and crank sensors and it didnt make a difference.
 
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