Oil consumption

50

Asked by Justin Jan 01, 2020 at 07:39 PM about the 2006 Jeep Commander Base 4WD

Question type: Maintenance & Repair

In about 1200 miles my 2006 3.7 L commander
burns through all its oil. Still has some but barely
shows on the dipstick.

Theres no leaks and it will isnt putting it out the
exhaust.

The catalytic converters are going bad to and its
not burning fuel properly....
Any Ideas?

2 Answers

41,240

Oil usage is from worn valve seals and or worn piston rings. Misfires are due to worn spark plugs and or bad coils. Fuel injectors could be leaking or clogged. Check the cylinder compression or leak down test to see where your issue lies.

2 people found this helpful.

Clean or replace the PCV. Never let the engine get more than 1/2 quart low or you risk ruining the engine.

1 people found this helpful.

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