2000 ls1
reggi61
12-05-2007, 12:37 PM
i have 2 codes on my 2000 ls1, p0404 and p1133. can anyone tell me what they mean?
brian 1
12-05-2007, 11:03 PM
p0404 is a egr pintle fault code and p1133 is a 02 sensor code.reading the diagnostic chart on p0404 states possible carbon bild up on egr port or inside egr tube.p1133 is possible contamination on 02 sensor. hope this helps.
Automotive Network, Inc., Copyright ©2026