Checks
| Action
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DEFINITION: The
vehicle has a momentary lack of response when depressing the accelerator.
The condition can occur at any vehicle speed. The condition is
usually most severe when trying to make the vehicle move, as from
a stop sign. The condition may cause the engine to stall if the
condition is severe enough.
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Preliminary Check
| Refer to
Symptoms - Engine Controls
.
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Fuel System Checks
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• | Check the throttle position (TP) sensor for binding or sticking. Voltage should increase at a steady rate as the throttle moves toward wide open throttle (WOT). |
• | Check the manifold absolute pressure (MAP) sensor response and accuracy. |
• | Check the canister purge system for proper operation. |
• | Check for low fuel pressure after a cold start or during a moderate or full throttle acceleration. |
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Ignition
System Checks
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Additional
Checks
|
• | Check the Service Bulletins for calibration updates. |
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