Restricted Exhaust

Restricted Exhaust





Test 1 - 5





Test 6 - 8

Test Description
The numbers below refer to the step numbers on the diagnostic table.
3. The exhaust system has very low back pressure under normal conditions. If the exhaust system is restricted, a significant increase in the exhaust pressure is noticed on the J 35314-A.
Removing the H02S sensor may set a DTC.
When finishing this diagnostic table, be sure to clear all codes.
4. This step will isolate the catalytic converter from the remainder of the exhaust system.
7. Confirming that the condition has been fixed is essential. If the symptom still exists, proceed to Step 2 and repeat the diagnostic procedure.
8. Confirming that the condition has been fixed is essential. If the symptom still exists, proceed to Step 2 and repeat the diagnostic procedure.