Check the exhaust tubing for kinks.

Is the exhaust tubing kinked?

--

Go to Step 2

Go to Step 3

Repair the kinks in the exhaust system or replace the exhaust tubing.

Is the exhaust system restricted?

--

Go to Step 3

System OK

Check for restrictions within the muffler.

Are there any restrictions within the muffler?

--

Go to Step 4

Go to Step 5

1. Remove the muffler and examine it.
2. If the muffler is damaged and cannot be repaired, replace the muffler.

Is the exhaust system restricted?

--

Go to Step 5

System OK

Inspect the end of the tailpipe for any obstructions.

Is the exhaust system restricted?

--

Go to Step 6

System OK

1. Remove the obstruction from the end of the tailpipe.
2. If the end of the tailpipe is crimped, straighten the outlet.

Is the exhaust system restricted?

--

Go to Step 7

System OK

Inspect the catalytic converter for restrictions that may have occurred as a result of engine malfunction.

Is the catalytic converter restricted?

--

Go to Step 8

--

Replace the catalytic converter.

Is the exhaust system restricted?

--

--

System OK