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Error Code P1635

 
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dagg5040
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Joined: May 31, 2010
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2003 Chevrolet Impala


PostPosted: Tue May 22, 2012 3:17 pm    Post subject:  Error Code P1635 Reply with quote

Rolling Eyes i Know the code and what it means my question for anyone that has ever had this code or seen it ...

What the hell is it? or what could it be?

took to my car to my local dealer 2 days later all the could tell me is its a 5 volt reference in circuit 1..

i dont know if it is related or not but my car looses power, you have no gas pedal at all and the rpm's are all over the place.

is there something that i can have checked that might fix the problem are they even related. this is not a every day issue. i notice it on long drives from my southern indiana home to my Anderson IN Home. I have to stop along the interstate and wait for my car to decide work again. I do notice it gets worse the lower the fuel gauge gets to empty. it dont really like to go past 1/4 of a tank. I dont like it to either. I just had my fuel pump replaced hoping that would fix the problems although it didnt fix this problem it did fix my fuel pump problem. as it was not working. I also have had a tune up about 20,000 miles ago i have 110,000 now

what sensors should i have checked?
could it be a sensor?
I would like to think any of you that could help me figure out what this problem is before it gets worse and leaves me stranded.
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lostwrench
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2004 Chevrolet Impala
2009 Chevrolet Impala


PostPosted: Tue May 22, 2012 6:46 pm    Post subject:   Reply with quote

P1635 - 5 volt reference circuit to MAP, TP, FTP sensors
or EGR valve, range problem.
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