Talon FWD L4-1997cc 2.0L DOHC (1990)
2.
Disconnect the waterproof connector from the ignition timing adjustment terminal, located in the engine compartment.
3.
Connect the ignition timing adjusting terminal to ground, using a jumper wire with alligator clips.
Self-Diagnostic Connector (Driver-Side Under Dash)
4.
Connect terminal #10 of the self-diagnosis connector to ground, using a jumper wire with alligator clips.
5.
Start the engine and let it run at idle.
6.
Check the idle speed to ensure it is at the BASIC idle speed.
Refer to SPECIFICATIONS/MECHANICAL. If the idle speed is within specifications, proceed to step #7.
NOTE: If the idle speed does not meet specifications, check the following before adjusting the BASIC idle speed.
a.
If the engine is stalling or the idle speed is below specifications, check for deposits stuck to the back of the throttle valve. If so, the throttle
valve needs to be cleaned.
Idle Position Switch (Fixed Speed Adjusting Screw) 2.0 Talon rt#5
b.
The engine idle speed is higher than specifications and the speed adjusting screw is fully closed. Then, check for indications that the idle
position switch has been changed. If so, reset the Idle Position Switch.
c.
If there is no indication, it is possible that there is leakage resulting from deterioration of the fast idle air valve. The throttle body needs to be
replaced.
Speed Adjusting Screw
If none of the above conditions apply, then turn the speed adjusting screw until the engine is running at BASIC idle.
7.
Turn off the engine.
