1,200 miles.. Engine light comes on?

[buddy255]

Hey guys, I just turned 1,200 miles on my 04, and my service engine light came on. The only thing I changed out was the mufflers, to Flowmaster, and an X pipe. Went from 4 cats to 2, which was done when the car had 200 miles. Never had a problem until tonight. Any ideas? or has anyone else had trouble. I know I can take it to my dealer and have it checked, but that means a free test drive for the mechanic.

Thanks,

 

[CbraSvt01]

Even highflow cats will trigger the service light, get some MILs.

 

[ugotbit03]

Im a Tech and I dont test drive cars for MIL lights

 

[anvrsy red vert]

Get an OBD 11 scanner and see what codes come up. I think Auto Zone stores will lend you one will you're there and you can erase them with it too. The X pipe and mufflers could have caused the car to lean out the A/F ratio to cause the CEL to come on. After the computer adjusts accordingly, you'll be alright; at least that's what happened to me when I changed out my mid-pipe and catback.

 

[apache driver]

You could also try disconnecting the negative terminal on your battery for about 30 minutes. Then follow the procedure in your owners manual for disconnecting or replacing the battery.

 

[CbraSvt01]

You could also try disconnecting the negative terminal on your battery for about 30 minutes. Then follow the procedure in your owners manual for disconnecting or replacing the battery.

only a temporary fix...

 

[buddy255]

I don't want a temporary fix, if I take it in will the dealer have an issue with the X pipe? I put the X pipe with cats because I was told it would not affect the sensor, instead of removing all 4.

 

[LT1KILLER]

I put on a Xpipe with cats and it still tripped the sensors also, you will need some MIL eliminators, a tuner to turn off the rear 02 sensors or put the stock hpipe back on.

 

[buddy255]

Where do I get the eliminators? Will the place that did the exhaust generally install them? By putting these on, will it have any long lasting or create a future issue with the engine? Thanks for all the info

 

[phillySVT]

I don't want a temporary fix, if I take it in will the dealer have an issue with the X pipe? I put the X pipe with cats because I was told it would not affect the sensor, instead of removing all 4.

did you also install MIL's?...whoops I see no. MRT sells them. I'm sure other companies do to. They will be around $50 i think.

 

[BlownShift]

Just go up to Murray's or Autozone and they will pull the code. If it's the exhaust, get the MILs or get a handheld flash tuner.