
1999 Honda Civic Si 1.6L Poor Idle Quality, Surge, MIL Lamp on
HELP!! This one hurts...I am a GM guy, this is my daughters car. P1509 will not clear, replaced throttle body assembly, checked grounds at tstat housing, bled coolant, no change. TPS checks ok, shows 9.8%throttle position at closed, jumps to 30% as you acceler...
FIX posted 6/29/2011
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Message Closed w/FIX
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VIN | 1HGEJ8271X |
Engine | 1.6 L / 4 cyl / GAS |
Trans | 5-speed Standard |
Delivery | Fuel Injection / TBI |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality, Surge, MIL Lamp On |
Occurs | Always |
Trouble Codes
P1509 | Idle Speed Control System High RPM |
Message Closed w/FIX
Vehicle Data
1999 Honda Civic Si
VIN | 1HGEJ8271X |
Engine | 1.6 L / 4 cyl / GAS |
Trans | 5-speed Standard |
Delivery | Fuel Injection / TBI |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality, Surge, MIL Lamp On |
Occurs | Always |
Trouble Codes
P1509 | Idle Speed Control System High RPM |