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mirz833
09-01-2009, 02:07 PM
its a 92 lexus ls400 and it runs fine for like 5 min then the rmp just drops and the car turns off and if u turn the key to on position again it turns right back on and stays runing for like min or two and does the same thing again. So if im driving it and just when the rpms drops if i give it a lil gas its stays runing but if i give it a lil to much off gas it turns off any ideas thanks in advance

Nemesis
09-01-2009, 02:12 PM
iacv?

Tech5
09-01-2009, 02:58 PM
check engine lights (CEL)?

could need the throttle to be cleaned, or egr ports

ghettosc
09-01-2009, 07:34 PM
Check for any disconnected vacuum lines also.

chaseamundo
09-03-2009, 05:53 PM
could it be Relay?