13 - Exhaust Restriction

13. Exhaust Restriction

Purpose:

Exhaust Restriction:

To determine if the exhaust system is sufficiently restricted to cause a performance problem.

Recommend Procedure:
Use NGS Tester PID EBP. An EBP reading above 234 kPa (34 psia) indicates a restricted exhaust condition.
^ Disconnect wiring at EOT.
^ Run engine at Wide Open Throttle (WOT).
^ Read EBP on NGS or DVOM.

Possible Causes:
^ Collapsed tail pipe
^ Clogged tail pipe
^ Closed exhaust back pressure device
^ Clogged catalytic converter
^ Damaged muffler

Tools Required:







^ New Generation Star (NGS) Tester 007-00500 or equivalent