Question About P0420 Code On 2007 Jeep Compass

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P0420 Error Code. Oxygen Sensor

I recently got a check engine light on my truck and I went and got it checked out. I got a p0420 error code and the guy at auto zone told me my oxygen sensor is probably bad. I have only 80k miles on my truck ... Read more

1998 Cadillac Code P0420 Catalyst System Efficiency Below Threshold

The service engine light came on and the Code "P0420 - Catalyst system efficiency below threshold" shows up when i use the scan tool. When I read up on it, is says basically to check the 3 oxygen sensors, or the catalytic converter is bad. I put in ... Read more

Replacing The Shift Knob

I have a 2009 Jeep Compass and I was thinking about buying a new shift knob and I was wondering how hard it is to remove and install a new one. ... Read more

What Is The Best Engine Oil Filter For My 2007 Jeep Wrangler

I am trying to start my own oil change on my 2007 Jeep Wrangler Rubicon, and I want to use Mobil 1 synthetic oil and the best filter I can purchase. ... Read more

What Can I Do To My 2007 Jeep Liberty To Make It Look Sweeter

I drive a 2007 black jeep liberty with tinted windows, chrome running boards and a chrome grill. i need some suggestions on what i can do to my car to make it look more like a mans car, regarding rims, body kit, etc. i would prefer ... Read more

O2 Sensor Before Or After The Catalytic Converter

Question: O2 Sensor Before Or After The Catalytic Converter, I think I need an O2 senor replaced on my 02 nissan altima because the P0420 (Catalyst System Efficiency Below Threshold (Bank 1)) code came up. I need to know what what sensor to get, the sensor ... Read more

P0420 Catalyst System Efficiency Below Threshold

1998 Cadillac 125,000 miles ( NOTE: I changed the Platinum sparkplugs at 100,000 miles and the car runs very smooth, no rough idling, or misfires, no other error codes). Also there is no funny smell. Someone told me that if I smell fuel or a ... Read more
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