need haynes manual

Nov 19, 2004 25 Replies
T

i don't know if they were the wrong plugs: i have them and they are NGK R BPR6EY

11 the fsm says to use: NGK BPR6ES - 11 i don't know whether the Y vs. S is important (because i got "champion RN9YC?" (the box is in the car) however these are different in the last number but the place's (where i got them) catalogue says there are fine for that auto. (should be RN9YC4) the former plugs are charred. what was changed: there was an exhaust leak which was fixed (replacement) and an emissions treatment (something for the oil; engine and gas) it had an oil change then it failed nox (>2000?) and was "readjusted" -- the place said that it had to be reset. it apparently passed after this

probably

it became black last summer on several occasions (xs rich exhaust) so i don't think that it is worse -- difficult to tell

no (no black smoke -- no blue smoke)

~70,000

hardly any -- uses VERY little oil (also used very little fuel)

this is why i would really like to be informed since i have no idea whether "procedures" were actually done

it should not need that right now ... (was kept in really good "shape")

thanks for reply! sincerely Tanya

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B

A quick Google search turned up several places that say that the Y has a V-groove around the electrode and the S does not. This particular hit:

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claims that the V-groove improves performance. I don't know if the Champions have the groove or not (I'm confused from your post as to whether you currently have the NGK ...Y or the Champions), but it doesn't sound like either of the NGK or equiv. Champion plugs would be a catastrophic mistake being that apparently the groove is the only difference between the 'Y' and the 'S'. Bill Putney (To reply by e-mail, replace the last letter of the alphabet in my adddress with the letter 'x')

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T

the reason that i asked the question was b/c i couldn't find either chilton's or haynes for the particular auto. (it is registered as a plymouth; chrysler covered the warranty; mitsubishi apparently built the engine and dodge is on some of the paperwork.) (wasn't sure what it was or would be wrt a book) thank you, Tanya

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D

The "4" just indicates the packaging... It means there are 4 of them in the package. Meaningless...

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T

just wonder about the following: it recently failed the emissions test (only nitrous oxide though ~?2000?) it passed hc and co -- wouldn't that rule out worn rings?

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