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2001 Outback Cold Start Problem
Posted 16 November 2003 - 12:57 PM
Does anyone have any ideas on this?
Posted 16 November 2003 - 04:30 PM
Posted 17 November 2003 - 12:39 AM
Posted 17 November 2003 - 01:26 AM
Have you had the OBD scanned?
Posted 18 November 2003 - 01:27 AM
Could be a dead thermal sensor, or a sticking idle air control valve, or a mass air flow (MAF) (actually NOT a MAF problem since your car uses a manifold air pressure (MAP) sensor).
Could also be EGR or evaporative emmision purge, but the computer should show a code.
Could also be an oxygen sensor, but again the computer should show a code.
Could also be bad gas (water in gas) or a contaiminated fuel filter (because of bad gas). Are you putting in the quality 91 octane fuel that the 2001 H6-3.0 requires?
Add some heavy duty fuel injector cleaner to your next tank of gas.
Could be a bad spark plug or coil pack, although the computer should detect repetitive misfires and store a code. If you can't find anything else wrong then pull out the spark plugs and note the condition against a spark plug condition chart (in any Haynes auto service manual). The spark plug from a misfiring cylinder should look significantly different than the others.
Could the little blip in speed be from the AC compressor coming on? When above 32F the AC is used to dehumidify the air when the defroster setting is used. Could be an improperly tensioned belt, the AC will often cycle on when it detects a reduction in throttle (like when you change from reverse to forward).
Is the tire pressure correct in all four tires, somtimes one low tire will cause the transmission to misbehave a bit, which can feel like a engine misfire.
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