Codes P0010 and P0020

Tiny
AARON VOGT
  • MEMBER
  • 2008 FORD EXPEDITION
  • 5.4L
  • 135,000 MILES
P0010 and P0020 intake cam position ACT circuit open bank 1 and 2. Running rough higher rpm. My friend replaced both variable valve timing solenoids in valve covers, all fuses good, need to test relays, not sure where to go from here with this. Any help appreciated. Not seeing power at VVS in valve cover.
Do you
have the same problem?
Yes
No
Tuesday, October 24th, 2017 AT 5:17 AM

10 Replies

Tiny
JACOBANDNICKOLAS
  • EXPERT
The codes are indicating an issue with the engine control module (ECM) detecting a variation in the mechanical timing between the crankshaft and banks 1 and 2 camshafts. On the newer vehicles with VVT, the ECM will actually try to increase valve lift during higher engine speeds. The codes you provided, although are specific to the VVT system, are general codes which could be the result of several things such as sludge in the engine, worn timing chain/guides, or a wiring problem. Since you do not have any power signal to the sensors, wiring is where I would start. Trace the wires from the sensors to the ECM. If possible, simply check them for continuity. Chances are there is a break in the wiring or a corroded connection at the ECM.
Was this
answer
helpful?
Yes
No
+2
Wednesday, October 25th, 2017 AT 6:11 PM
Tiny
JACOBANDNICKOLAS
  • EXPERT
One other thought. If you have a scanner that can read real time data, check for signals from the sensors. They have to be working if the engine is running.
Was this
answer
helpful?
Yes
No
Wednesday, October 25th, 2017 AT 6:12 PM
Tiny
AARON VOGT
  • MEMBER
I looked at real time data, not sure what those things are called on the scanner. I will try again, thank you! So it would not run without a signal from those sensors?
Was this
answer
helpful?
Yes
No
Saturday, October 28th, 2017 AT 8:05 AM
Tiny
KEN L
  • ADMIN
It will run it will just set a code. Here are some wiring diagrams (below) and a guide so you can test the wiring of the circuit because it says "open" which is a bad connection.

Here is the guide you need to follow

https://www.2carpros.com/articles/how-to-check-wiring

Please let us know what happens so it will help others.

Cheers, Ken
Was this
answer
helpful?
Yes
No
+6
Monday, October 30th, 2017 AT 12:27 PM
Tiny
AARON VOGT
  • MEMBER
So we replaced the mas air flow last night and it ran great! But still check engine light on, I wasn't there so my friend unhooked battery to clear codes, once hooked back up it ran like crap again? Can you tell me why we are still getting heater codes for brand new oxygen sensors? I will scan it again this weekend, thanks!
Was this
answer
helpful?
Yes
No
-1
Tuesday, October 31st, 2017 AT 6:22 AM
Tiny
KEN L
  • ADMIN
It sounds like you have a PCM going out. Keep trying to reboot the system by disconnecting and reconnecting the battery to see if you can get changes out of it which will confirm the computer issue. Here is its location you will need to have it programmed by a garage if you replace it.

Please let us know what happens.

Cheers, Ken
Was this
answer
helpful?
Yes
No
Tuesday, October 31st, 2017 AT 11:06 AM
Tiny
AARON VOGT
  • MEMBER
Would u believe he cleared up every code by fixing a loose fuse? Not seated properly, I checked fuses several times, one fuse connected to every code we had.
Was this
answer
helpful?
Yes
No
+1
Saturday, December 2nd, 2017 AT 3:46 AM
Tiny
KEN L
  • ADMIN
Which fuse was it? Glad you could get it fixed, that kind of problem can be tough. Please use 2CarPros anytime we are here to help

Cheers, Ken
Was this
answer
helpful?
Yes
No
+1
Saturday, December 2nd, 2017 AT 3:02 PM
Tiny
AARON VOGT
  • MEMBER
#74 fuse.
Was this
answer
helpful?
Yes
No
+4
Friday, December 8th, 2017 AT 4:01 AM
Tiny
KEN L
  • ADMIN
Thanks :)
Was this
answer
helpful?
Yes
No
Friday, December 8th, 2017 AT 5:09 PM

Please login or register to post a reply.

Sponsored links