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rpmdiag
rpmdiag, Tech and Instructor
Category: Lexus
Satisfied Customers: 7334
Experience:  Since 1975
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1992 lexus sc300 the car stalls runs rough runs rough we

Customer Question

1992 lexus sc300 the car stalls runs rough runs rough we tried the mass air flow sensor temp. sensor distributor spark plugs fuel pump, tps even sent the ecm for repairs and the car is still the same some times it idles good for a couple of minutes and then it stars to act upone time it run good for about 10 minutes and then it stated to loose powert we checked the cat. and its ok too
Submitted: 6 months ago.
Category: Lexus
Expert:  rpmdiag replied 6 months ago.

Hi, I'm Ron and I will be helping you today.
Stand by for a moment while I prepare your answer.

Expert:  rpmdiag replied 6 months ago.

Check the idle air control motor for being dirty or bad.

Check for vacuum leaks with a smoke machine for intake gaskets etc.

thanks, Ron

Customer: replied 6 months ago.
we did tried those two things too
Expert:  rpmdiag replied 6 months ago.

Okay, then the data recorder will find the problem. Like I said earlier, I wish I could point you right to the problem, but some testing is needed right now. Thanks for understanding and for a great rating:)

Ron

Customer: replied 6 months ago.
Posted by JustAnswer at customer's request) Hello. I would like to request the following Expert Service(s) from you: Live Phone Call. Let me know if you need more information, or send me the service offer(s) so we can proceed.
Expert:  rpmdiag replied 6 months ago.

Most definitely, it's never failed me yet. Now you have a recording of the event.

Thanks, Ron

Expert:  rpmdiag replied 6 months ago.

Just attach the data recorder to the computer connector.

Thanks again, Ron

Expert:  rpmdiag replied 6 months ago.

If you are satisfied with my answer, I would greatly appreciate a 5
star rating now and I will still assist you after you have rated me
too if another question pops up. I don’t get credit for helping you
until you rate me.
Thanks again, Ron