Question about 1999 Subaru Forester
I have a 1999 Subaru Forester. Yesterday the check engine light started blinking. ODB II says it's a P0303, Cylinder 3 misfire. I replaced the plugs first. Did not solve the problem. Next I replaced the cables. When I removed the cable 3 from the coil is was black and obviously burnt - and carbon powder fell out of the cable connector. I used steel wool to clean the coil terminal, and as I said I replaced the cables. Still have the problem. Looks like I need to replace the coil. But it's bunch of cash (relatively speaking). Is the coil electronic or mechanical? Does it seem that this is the right thing to do, and / or are there other things I should check before replacing the coil?
Coil is electrical test coil first to see if its putting out power or is burnt out also check fed to coil that its not grounding or has a break in wiring
Posted on May 31, 2010
Having the same problem with my 2000 Legacy Outback. A mechanic friend of me said there is a limited number of things this could be (in order of likelyhood): plugs, plugwires, coil, fuel injector, bad compression/valve. He said he has 2 Subarus in his shop with a rough idle and bad gas mileage and both needed new coil packs. The coil packs in Subarus has 2 coils, one for the 1 and 3 and one for the 2 and 4. Each one of those coils has two coil wraps in each. These are wear parts and eventually they wear out. He said in Subaru they usually last 90,000-150,000 miles. So all things considered, he said it is 99 times out of 100 the coil pack. I would shop it around they seem to vary in price wildly from store to store. I found one for my car for $126 while another store had it for $200.
Posted on Oct 05, 2010
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Posted on Jan 02, 2017
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