J A Blazer
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Everything posted by J A Blazer
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Depending on rust and trauma you may or may not be able to remove the bulb from the back, but after 10 years I suspect that you will have to remove the entire assembly. It is held in place by two bolts which you approach from the front and which are directly above the fog light. There is a third fastener which you approach from below and behind, and which is one of those two-part press-fit plastic thingies.
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On a lark I called one of my local dealers and asked how much they would charge to replace my front ball joints. Answer? Approximately $750! Insane! But to his credit he did say that he doubted that I need them; they rarely fail; other parts usually go first, like wheel bearings and lower control arm bushings. But seriously, $750? Parts are $30 per side, and I bet any dealer mechanic can R&R them in an hour.
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Question: I'm getting ready to do this and have drilled an anti-fouler to 1/2 ". However, a test fit with an old up-stream O2 sensor reveals that 1/2" is NOT enough. Is the downstream O2 sensor (which I have not yet removed or I would have done the test-fit with it) slightly smaller in diameter? TIA.
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I just went through this myself, on my 2000 OBW with 150K. It has been acting exactly as you describe for several years. Dealer assured me it was the bulb but I knew otherwise, as I had changed the bulb, checked the wiring, etc. Finally replaced the stalk and problem solved. Got it from RockAuto for about $65. Yes it is a DIY provided you are sufficiently limber to lay on the driver's seat, on your back, with your head under the dash.
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My understanding is that the anti-fouler does not 'alter' the function of the emissions system; it merely reducess the frequency of these 'spurious' codes. The triggering of a 420 code does not result in any adjustment of the fuel-air mixture, ignition timing, etc.; it merely signals that some arbitrary efficiency 'threshhold' is not being met, and that 'threshhold' apparently exceeds federal emissions standards. Am I wrong?
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Question: What is Subaru's 'official' position under the following circumstances, which describe my present situation: Upstream O2 sensor new; all heat shields in place; no exhaust leaks; car passes state-mandated emissions test. Yet still throws the occasional 420. I refuse to throw more money at this problem. Does Subaru acknowledge the propriety of an anti-fouler, which as I understand it would reduce the frequency of such codes? TIA.