john silverman wrote: > > Well, Vic (90 syncro westy) has been at the local mechanic several times > over tyhe last few weeks in a (so far unsuccessful) attempt to pass > emissions. He was able to get the CO down fine, but the Hydrocarbons don't > seem to drop, especially at 2500 rpms (part of the test). > > Dropped the van off yesterday, and he spent time this AM on it. He just > called and said he couldn't get it down, and he thinks I need a new AFM and > O2 sensor. He's also concerned that there may be a problem inthe digifant > brain. > > Any other thoughts? > John, Yeah, find a Vanagon mechanic. Or better yet, buy a Bentley and a nice tool set from Sears, (Craftsman) and start doing your own wrenching. If this mechanic's had it "several times" and can't find the problem, then it's time to move on. This sounds like a "swap possible parts and charge the owner until it's fixed or until the owner wises up" kind of mechanic. Most problems of this type are usually due to one faulty component, occasionally two, but rarely three or more. Is your fuel economy down? Do you have black fluffy soot in the tailpipe? If so, my money's on the O2 sensor. Larry '82 diesel->Jetta Westy Park City |
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