I have been told this could be a "tube" stoped up in the motor. Has anyone had this problem before? The codes are T0420-CAT and t0401 EXTT or EXH GAS
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2000 Mercury Cougar Question: Check engine light is on
Answer #1Bret Bodas from RepairPal Test Shop, February 08, 2010, 08:53Master
Can you provide us with the code that caused the light to come on? Are yo talking about an EGR tube?
Replynpennie66, February 08, 2010, 11:22Rookie
The codes are T0420 and T0401
ReplyBret Bodas, February 08, 2010, 11:39Master