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1999 Honda Civic LX 1.6L Poor Idle Quality, Misfire, MIL Lamp on
Posted to Asian Driveability on 10/2/2003 5 Replies

Vehicle came in with code P1509, cleared code's light came back on right away. Vehicle super clean, no one has messed with any thing at all. It has an idle of 1800 RPM with slight miss fire, will not idle down. Replaced Idle Air Control Valve, NO LUCK light st...

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  Related Documents & Media  1999 Honda Civic LX

 
Message Closed w/FIX

car Vehicle Data

1999 Honda Civic LX

VIN 2HGEJ6677X
Engine1.6 L / 4 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / TBI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire, MIL Lamp On
OccursAlways
Misc.Code P1509

Trouble Codes

P1509Idle Speed Control System High RPM
Message Closed w/FIX

car Vehicle Data

1999 Honda Civic LX

VIN 2HGEJ6677X
Engine1.6 L / 4 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / TBI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire, MIL Lamp On
OccursAlways
Misc.Code P1509

Trouble Codes

P1509Idle Speed Control System High RPM