2000 Subaru Impreza Outback service manual calls for 1.0 mm to 1.1 mm or .039 in. to .044 in. Most spark plugs at any auto store should be pre-gapped, but double checking never hurt. Make sure to apply a very light coat to the spark plug threads and torque them to 15 ft-lbs +/- 2 ft-lbs. Good luck.
SOURCE: 98 subaru impreza knock sensor
at the top of the block under the plenum runners.
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SOURCE: SUBARU IMPREZA DONT RESTART .
Sounds like a sensor is breaking down under heat of engine.
Try the Crank sensor (under the alternator at front of engine with a 2 pin multiplug attached. Or the Cam sensor (more likely) placed behind the oil filler neck and looks the same as the crank sensor. Breakers should sell you these for approx £20 each.
If no joy let me know.
Dan
SOURCE: I have a 1999 Subaru Outback Impreza Sport. The
If you have any of the large chain auto parts stores in your area, call them and ask if they do free scans; most do.
If Subaru has maintained the same procedures for a while, and you have checked fluids, etc., you can try resetting the light via the ignition switch:
-Turn on the ignition (don't start)
- switch it rapidly between the 'ignition on' and 'ignition off' positions three times.
If the error has cleared itself (not uncommon), the check light will reset. If the problem is still present, it will either stay or come back on.
Our Su has done this a couple of times and with the scanner we have on hand, there was never any particular repeated problem.
Just a computer glitch/hiccough -
SOURCE: Check engine light on. P0325, P0420 2000 Subaru
CODE PO420 CATALYST SYSTEM EFFICIENCY BELOW THRESHOLD BANK I * CODE PO325 KNOCK SENSOR NO.1 CIRCUIT MALFUNCTION BANK NO.1 OR SINGLE SENSOR
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