Question about Mercedes-Benz E-Class
The key has been misplace we try different mental no way so now we need help the model is 2001 E320
I dont think there is a safe way to do this have to give mercedes a ring and get there advice, dear i know but what can you do
Posted on May 13, 2014
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Posted on Jan 02, 2017
You could probably do this, but you're going to be running with a permanent check-engine light. The twin O2 sensors on each exhaust pipe are for emissions reasons. Your primary (pre-cat) O2 sensors help the engine determine how much fuel to inject, based on reading the level of unburned oxygen in the exhaust stream. Your secondary O2 sensors (post-cat) are there to provide a similar reading. The car's computer then compares these two values to determine the efficiency of the catalytic converters. If the comparison strays outside an accepted range, the computer trips a fault light.
If you have emissions testing or regulations to that effect where you live, you will not pass inspection. In addition, if you have smog laws that mandate cats and other smog equipment, you could be risking a huge fine if you're found to have removed them. I'd check with an auto parts store about getting some generic universal cats (make your choice based on the length of the cat assembly and the diameter of the inlet and outlet pipes). These are generally far less expensive and work just fine.
On a side note, are you positive that the cats are bad? If you're tripping a fault code for a failed cat, it could be that one or the other of the O2 sensors are bad and causing an indicated cat malfunction. I'd have at least a couple other places look at the car and see whether it's the cats or the secondary O2 sensors before shelling out the money for cat replacement.
Posted on Jul 21, 2008
Check Battery in car(make sure is not weak or dying), check battery in remote fob, possiable draw in system possiable fuse or possiable keyless entry module failure
Posted on Oct 20, 2009
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