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Emissions test results - baaaaaaaad. New info... 200 1988

posted by  B.C. on  Thu Apr 3 12:21 CST 2003
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last visit: Wed Mar 28 22:28 CST 2012
[RELATED]

which might help more than just me.

All the posts you guys have sent are in the hopper. What's new came from a long chat with a Volvo indie shop owner, while he showed me his 740Ti mods that get him 300hp (!) Has 5.0 Mustangs for breakfast.

I explained the high everything test results, and the random at-any-speed hiccup or miss. He mentioned (1) vacuum leak, the hardest to find being one in the intake manifold rail, between the points for the bolt holes. Also (2) using a lap tester (sic phonetic) on each injector. If bad, replace all four, $98 per.

New cat would help high NOx but not the high HC or CO. So I'm off to install a new Volvo FPR (dealer today, higher than fcpgroton, but I wanted it NOW) and then find a time I can get that injector test done.

ASAP I will get the lap test done. If injectors flunk, I am tempted to pull the fuel rail and injectors off a non-op 1983 B23. Parts book shows same p/n.

You agree?

Thanks and regards,

Bob

:>)





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