• Tiny
  • adhocusage
  • 1994 Subaru


1994 Subaru AWD 4door saloon - put a used engine - the mechanic put the idling RPM low. After driving first time with the replace engine for 5 miles got check engine; Next day no check engine light, but the vehicle was vibrating lot when stopped at lights (annoying). Took it to the mech. Shop. RPM made 1000+; Now no vibration while stopping at lights but 1. The RPM goes high when I start the engine and 2. Vibrates when I turn off the engine. But the Check engine comes and remains steady (No blinking). Inspected and found RPM was high. He reduced it a bit. The check engine light came again after driving about 9 miles. Should I go by trial and error?

I have been driving this vehicle for 2+ yrs after I bought it from someone. Earlier engine died due to No oil in crankshaft.

I did not drive this vehicle in the last two months prior to getting the engine replaced.

Any input would be appreciated.


Wednesday, May 9th, 2007 AT 9:27 PM

1 Answer

  • Tiny
  • Arod65
  • Member

I just had the issue and the code that came back was 21, which indicates that the coolant temp sensor is bad. Hope this helps.

Was this
Thursday, June 21st, 2007 AT 11:46 PM

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