1999 RX300 misses, stumbles many fault codes?
09-01-17, 04:23 PM
#16
Moderator
Vacuum plumbing diagram is very simple to follow. The decal shows exactly how the connections are made. Far superior than point A to point B schematics.
Salim
Salim
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LLawrence (09-03-17)
09-05-17, 06:56 PM
#17
Intermediate
Update:
my daughter got about 100 miles from home and the CEL came on again p0171. I had her take the rx to Midas to recheck my install of the flex pipe thinking that pipe caused a air leak between the head and o2 sensor. It appears that the pipe was fine, but the rear O2 sensor wire was shorting on one of the bolts on the back of the head. They re-replaced that O2 sensor and now the RX is running good again.
my daughter got about 100 miles from home and the CEL came on again p0171. I had her take the rx to Midas to recheck my install of the flex pipe thinking that pipe caused a air leak between the head and o2 sensor. It appears that the pipe was fine, but the rear O2 sensor wire was shorting on one of the bolts on the back of the head. They re-replaced that O2 sensor and now the RX is running good again.
Last edited by Drcoffee; 09-05-17 at 07:00 PM.
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