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  #1  
Old 03-14-2012, 10:09 PM
geemc69 geemc69 is offline
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Join Date: Mar 2012
Location: birmingham alabama
Age: 45
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Vehicle: 2002 ram 1500 4.7
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Engine: 2002-2007 287ci (4.7L) PowerTech V8 235hp 295lb/ft
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Angry p1391 code keeps coming up

hello all , i have a 2002 ram 1500 4.7 i keep getting a p1391 code which is intermittent loss of crank and cam sensors i have changed both of those sensors including the tps and still the code comes right back the motor jumps and lunges like crazy then shuts down i was told that my problem was the fact that i used parts from autozone so i took them all back and got all new from dealer and it runs worst than with the ones from autozone so now i'm at my wits end i'm kinda guessing its the pcm but i would like to know for sure before i get a new one....please help
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Old 03-17-2012, 05:29 PM
THK THK is offline
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The code will tell you whats happening and get you to the general area. It's your job to diagnosis the cause of the problem. Since you replaced the sensors (oh, by the way, auto zone, o'rileys, napa, usually sell name brand sensors like ngk, bosch, delphi. Chrysler gets their sensors from one of these guys.

Start checking connectors for corrision, loose connections, ohm check the wires for interanal breaks (the jiggle test). If you relaced the sensors and the same problem, not the sensors.
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Old 03-27-2012, 07:12 PM
geemc69 geemc69 is offline
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Join Date: Mar 2012
Location: birmingham alabama
Age: 45
Posts: 3
Gender: Male
Vehicle: 2002 ram 1500 4.7
Trim Level: slt qaud cab
Color: red
Engine: 2002-2007 287ci (4.7L) PowerTech V8 235hp 295lb/ft
Rep Power: 0
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well i have changed all of my sensors and changed my pcm and still the same code and same problem i checked all the connectors and cant seem to find anything wrong with them i took off the iac and it was really dirty so i took off the throttle body and its soaking right now so i will just have to wait till tomorrow to see what its gonna do i am at a total lost and i have spent out alot of money so far does anyone have a similar problem or experienced the same please help
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Old 03-30-2012, 12:17 AM
geemc69 geemc69 is offline
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Join Date: Mar 2012
Location: birmingham alabama
Age: 45
Posts: 3
Gender: Male
Vehicle: 2002 ram 1500 4.7
Trim Level: slt qaud cab
Color: red
Engine: 2002-2007 287ci (4.7L) PowerTech V8 235hp 295lb/ft
Rep Power: 0
Rep:10
geemc69 is on a distinguished road
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well i wasted money on the pcm it didnt fix my problem but today i went into the motor and found my problem my timing chain tensioner guide was broke i had just replaced all of the guides and chains about 3 months ago only to find out that the warranty is only good for 3 months so i bought replacements with gears this time hope this helps anyone else with the same problem
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