Chirping under the hood
#11
Hey all, so after getting my code reader back from the kid, ( he has a P38 ) I got a P0430 code. I believe its the passenger cat or o2 sensor. I checked the fan blade for loosness but it was tight. I still have the chirping noise when the engine has been run for about 20 min. I ordered a pully & tensioner kit because it sounds like a bearing squealling. I put new 02 sensors in the front at about 100K, The mileage is 140K now, about 8K miles on the new rebuilt motor. I was gonna clean the 02 sensors and re-install them. The iCarsoft LRII reader says that P0430 is " CATALYST SYSTEM EFFICIENCY BELOW THRESHOLD BANK 2" Any reccomondations? I was also told to check the waterpump weephole to see if it might be leaking a little. Guess I better pressure test the system. Anyone know where the water pump weep hole is if Im looking up under the truck?
#13
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natedog437
Discovery II
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02-23-2005 05:14 PM