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  #1  
Old 01-07-2010, 11:16 PM
ShawnTRD ShawnTRD is offline
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P203,P201,P205, now P202

Hi guys, I trying to help my friend figure this out. His CEL has been on for some time now. He sometimes even has a lose in power. He has code P0203, and another time he had P203,P201, and P205. So he thought it was his injectors on that side. I guess there the first three on the fuel rail. So he just replaced #1, #3, and #5 Injectors on Tuesday. Now he got the CEL again today and it's P0202 (Injector #2). Last year he replaced the Y-Pipe/ Cat System, and all O2 Sensors. Then last Spring he replaced the Throttle Position Sensor. So what could be causing this now?

2000 Dakota 4.7" Automatic

Thanks
Shawn
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  #2  
Old 01-07-2010, 11:35 PM
Ranger50 Ranger50 is offline
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You either have a bad connections back to the PCM, a bad PCM, or a corroded ASD relay power feed to the injectors. Happy hunting down the electrical gremlin.

Brian
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  #3  
Old 01-07-2010, 11:44 PM
ShawnTRD ShawnTRD is offline
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Thanks, but can you give me some more info on PCM? I do I PCM search and I'm finding a lot of random stuff. Picture? Cost? Any testing he can do?
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  #4  
Old 01-08-2010, 12:55 AM
ShawnTRD ShawnTRD is offline
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Ok I guess the PCM is the Engine Computer ECU, ECM.. Where is it at? I'll have him try unplugging it and plugging it back in. It he still has the problem, and the dealer tell him if it's bad?
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  #5  
Old 02-04-2010, 03:54 PM
biggradak biggradak is offline
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hey man. havin the same problem only its ijs. 1 - 6. also gettin a misfire on cyls 6 and 8. did your friend ever figure it out? what is the asd relay?
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  #6  
Old 02-04-2010, 04:47 PM
ShawnTRD ShawnTRD is offline
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Haven't figured it out yet.
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  #7  
Old 02-04-2010, 04:50 PM
biggradak biggradak is offline
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any adea what the asd relay is or where its at?
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  #8  
Old 12-27-2012, 09:27 PM
jmfischer jmfischer is offline
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Hi Guys, on another forum thread which you can get to if you type in Po201 & po202 fuel injector malifunction there is some good advice there. It turns out that some have solved the problem replacing a TPS sensor or even a Cam position sensor & a crank sensor.
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  #9  
Old 01-01-2013, 12:11 AM
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petrock petrock is offline
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http://www.obd-codes.com/p0201
http://www.obd-codes.com/p0202
http://www.obd-codes.com/p0203
http://www.obd-codes.com/p0205

jmfischer, I’m not sure how a sensor would effect the voltage reading on the fuel injectors circuit. They don't share power or ground or any other wires with the injectors in questions according to my '03 D's factory service manuals wiring diagrams.

See my write up on how to test the fuel injector circuits wiring: http://www.dakota-durango.com/forum/...40&postcount=3
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Last edited by petrock; 01-01-2013 at 12:26 AM.
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