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Old 03-05-2012, 04:18 PM   #36 (permalink)
TroyVX
EcoModding Lurker
 
Join Date: Mar 2012
Location: Antioch ca.
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Hello all,

New to the site, I picked up a '92 VX for my son and I'm having problems with it passing smog. It passed the Ca. 15 mph test but failed the 25 mph test. This car has the dreaded lean hesitation deal once it gets up to temp. It had a blown head gasket when we got it and that has been repaired, I did a full tuneup (plugs, cap, rotor, fuel filter, air filter, oil change, set the timing, checked the idle, replace the O2 sensor (5 wire) ran some fuel injector through the system. The smog tech told me to replace the O2 sensor and look for vacuum leaks. I did all of this but still have the hesitation. If I disconnect the O2 sensor the car runs fine but has the C.E.L. on which will not pass smog. I noticed you all mentioning this problem and was wondering if anyone has come up with a solution to it. Thanks in advance for any help you may be.

Take Care
Troy Stevens
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