Hesitation Diagnostics

Note

• Hesitation is when the engine has a lack of response when putting it under load, this condition may cause the engine to stall if severe enough.

Checks	Action
Preliminary Checks	N/A
Fuel System Checks	- Check the TMAP sensor response and accuracy - Check fuel pump
Ignition System Checks	- Check for proper ignition voltage output - Check to see if the proper OEM spec spark plugs are being used and are gapped correctly - Check for faulty spark plugs wires - Check for fouled spark plugs
Additional Checks	- Check for proper alternator voltage output - Check for proper manifold vacuum