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97 impreza dohc swap need help please!
Posted 24 August 2013 - 03:34 PM
Posted 24 August 2013 - 04:59 PM
Any codes in the ECU? Sounds like it's in a limp/fail-safe mode, I've only experienced this when I had a VSS issue.
Welcome aboard, I'm sure someone else will chime in shortly!
Posted 24 August 2013 - 05:20 PM
Posted 25 August 2013 - 12:03 PM
Posted 25 August 2013 - 03:12 PM
Does the speedo work? Might wanna just double check the wires/harness make sure nothing is cut.
Posted 25 August 2013 - 03:17 PM
I always go the other way 2.5 to 2.2. Never had a problem. Make sure all of you connections are good if you have not done that already. I'd you have a problem before the swap?
Could be a cam or crank sensor is cutting out a higher RPM. Does it make a difference if you are under load or just in neutral?
Posted 25 August 2013 - 09:45 PM
Posted 25 August 2013 - 10:14 PM
What is the exact code? There is more than one VSS, and replacing the one on the trans when it clearly works (because the speedometer works) will not fix the problem.
Posted 26 August 2013 - 09:49 AM
Going to run codes today at the shop today and figure out exact code
Posted 26 August 2013 - 10:26 AM
No speedo no rpms default is about 4500 -3500 rpms fix spedo and good to go the ecu needs vss to know when car is moving and will not give full rpms untill spedo is working
Posted 26 August 2013 - 12:31 PM
Posted 26 August 2013 - 03:50 PM
Glad to hear it! What did you end up replacing, the VSS in the trans?
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