had an engine swap now i have trouble starting the car i have camshaft position sensor codes and multiple misfire code. Is the timing just off? what the repair or damage done?

Asked by Oct 07, 2014 at 11:48 AM about the 2004 Audi A4 3.0 quattro Sedan AWD

Question type: Maintenance & Repair

5 Answers

10,875

when you swapped the engine did you bring along the original ecm that came with that engine? if not this would most likely be the cause. either that or some one buggered up the engine but misplacing the firing order of the spark plug wires.

No, I didn't replace the ecm.

10,875

well each engine has its own ecm for a reason cause no two engines are exactly alike not to mention its also programed for that particular engine. Try disconnecting the battery for 15 -30 minutes and see if that fixes it. anything after that i would check the firing order for your engine and make sure the plugs are set correctly. Also check the plugs and wires and check for spark. Check your cam sensors as well its possible one is bad. did you get the engine from another dead car or one from a wrecking yard ? as it is possible you got an engine that had the timing fricked up.

I tried disconnected the battery no change it was still the same problem but I'll look into checking the cam sensors and spark plugs . The engine was from a car that was totaled but no damage to the engine.

10,875

well if you can't fix the issue see if you can't get the computer from the other car and try a swap it may or may not fix your issue if nothing else will. I am probably betting the fact the car it came from was totaled it more then likely could have damaged the engine from the shock of the impact it received in its wreck. let me know if you need any more help i am more then happy to provide more feed back if you require it.

Your Answer

A4

Looking for a Used A4 in your area?

CarGurus has 13,502 nationwide A4 listings starting at $1,899.

ZIP:

Audi A4 Experts

  • #1
    Deathjam4
    Reputation
    3,730
  • #2
    lukeyramone
    Reputation
    560
  • #3
    Tom Demyan
    Reputation
    470
View All

Related Models For Sale

Used BMW 3 Series
1,155 Great Deals out of 37,965 listings starting at $1,000
Used Audi A6
160 Great Deals out of 8,426 listings starting at $2,355
Used Mercedes-Benz C-Class
885 Great Deals out of 31,604 listings starting at $1,500
Used Audi S4
36 Great Deals out of 1,784 listings starting at $3,500
Used Audi A3
114 Great Deals out of 6,498 listings starting at $3,995
Used BMW 5 Series
545 Great Deals out of 17,427 listings starting at $1,500
Used Honda Accord
1,187 Great Deals out of 78,590 listings starting at $561
Used Ford Mustang
593 Great Deals out of 40,205 listings starting at $1,888
Used Audi A8
71 Great Deals out of 1,938 listings starting at $3,995
Used Mercedes-Benz E-Class
694 Great Deals out of 23,979 listings starting at $1,795
Used Honda Civic
837 Great Deals out of 69,717 listings starting at $999

Used Cars For Sale

2018 Audi A4 For Sale
5,824 listings starting at $34,441
2017 Audi A4 For Sale
73 Great Deals out of 1,833 listings starting at $19,500
2016 Audi A4 For Sale
20 Great Deals out of 238 listings starting at $19,795
2015 Audi A4 For Sale
36 Great Deals out of 866 listings starting at $13,990
2014 Audi A4 For Sale
63 Great Deals out of 940 listings starting at $11,995

Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use.