Close
MY CAR IS IDLING UP AND DOWN
1990 Acura Legend

MY CAR IS IDLING UP AND DOWN

(1990 Acura Legend)
MY CAR WILL RUN, BUT IT'S KEEPS ON IDLE UP AND DOWN I DON'T KNOW WHAT CAN CAUSE THE PROBLEM CAN YOU HELP ME WITH IT.
Ask a Question
2 answers & 0 comments
Popular Answer
As Zee said vacuum leaks are most likely the cause but low coolant level or bad coolant temperature switch also causes this surging idle.
Sign in to reply
General Diagnosis
$88 - $111 Learn More
As Zee said vacuum leaks are most likely the cause but low coolant level or bad coolant temperature switch also causes this surging idle.
Sign in to reply
on May 03, 2011
Sounds like there is a vacuum leak somewhere at the intake manifold.
Check all the vacuum hoses, make sure they are not disconnected or broken.

Zee
Sign in to reply

Similar Questions

View answers to similar questions from RepairPal's community of auto experts and enthusiasts.
Wont stay running. revving high then wants to die when i am at a stop or coming to a stop. it also has a loud...
As i am driving then when i attempt to speed up my gas pedal goes into neutral then it slows down almost to a...