Answer:That's a new one for me, and I cannot see it having any effect on preventing a P0420 DTC, but it is illegal. P0420 indicates the catalytic converter has lost its efficiency in reducing harmful ...
Some 2007-08 Grand Cherokee and Commander SUVs with 5.7-liter engines may turn on the Check Engine light and store trouble code P0420 and/or P0430 in PCM memory. Jeep says the problem typically ...
Introduced back in the 1990s, the Jeep Grand Cherokee was one of the first SUVs available to the public. Starting life as a very cubesque vehicle with more utility that sport and an interior that was ...
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