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2000 Chevy S-10 P1870, P0420

Tiny
GLASSRAGEOUS
  • MEMBER
  • 2000 CHEVROLET S-10
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 10,000 MILES
P1870, and P0420 engine codes, ALSO oil pan leak. Is it true, you hav to remove engine to fix, any other way to fix?
Friday, March 28th, 2008 AT 6:42 PM

2 Replies

Tiny
SERVICE WRITER
  • MECHANIC
  • 9,123 POSTS
What is the oil pan doing? LEaking I assume? If so, Where?

The po420 is a cataylitic converter code that almost always ends up being the converter in my experience. It may also set when there is an air leak in front of the converter.
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Friday, March 28th, 2008 AT 7:10 PM
Tiny
2CARPRO JACK
  • MECHANIC
  • 11,533 POSTS
P1870 is "trans component slipping" usually not a good sign. On the brighter side it is easier to get the oil pan out if the trans is out, remove flexplate and it will come out
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Saturday, March 29th, 2008 AT 8:55 AM

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