1990 LS400 Vacum Diagram
02-01-12, 10:14 AM
#1
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1990 LS400 Vacum Diagram
Hey Guys i was wondering if any one had the set up for a 1990 Lexus vacuum diagram My car misses at 1500 rpm and i was wondering if it had a leak or if i needed to replace map sensor so i'm going on the vacuums but i need a diagram if any o
ne has it any info will be appreciated
ne has it any info will be appreciated
02-01-12, 03:09 PM
#3
if it's missing/hesitating at that specific RPM then it's unlikely to be a vacuum leak. when was the last time you replaced spark plugs?
more importantly, when was the last time you cleaned your throttle body?
no LS400's ever shipped with MAP sensors. '89-94 had karmen vortex AFMs, '95-~ have had hot-wire MAFs.
more importantly, when was the last time you cleaned your throttle body?
no LS400's ever shipped with MAP sensors. '89-94 had karmen vortex AFMs, '95-~ have had hot-wire MAFs.
02-01-12, 07:59 PM
#6
I have it, but I cant put it on here. email me at billydpowell@hotmail.com and I will send it to you.
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