PRE-CAT low efficiency.I have replaced the O-2 sensor and the light is still on. My next step in my process is to replace the Cat!! In CA the only Cat authorized is about 1800.00 from the dealer. I am
...if the cat is there for emissions will not effect gas mileage. Owner of Audi A6 2.7T 2001.B2 S1 is drivers side pre cat B1 = Passenger side B2 = Drivers side S1 = Pre cat S2 = Post Cat Example ...
...pre cat or post cat? can you offer any suggestions for a fix, many thanks this is the o2 sensor after the pre cat so post cat you can get a tune to get rid of code or replace the o2 sensor or get ...
...pre cats get red hot it sounds like the problem is the cats, if they get to hot they possibly have collapsed inside and is blocking the system they sound like they need replacing OK IF CATS ARE ...
Question about Mitsubishi Galant
Pre-Cat or Torque Limitation Level 1 (MS43) • 48 DME Control Unit -Self Test 1 • 49 DME Control Unit or Torque Monitoring Level 2 (MS43) • 50 EVAP Control Valve or Response Monitoring Level 2 (MS43) •
...replacing the front pre cat/manifold assembly, if a new gasket was used on the flange where the precat mates to the exhaust pipe, make sure the bolts are tight and reset the engine codes with a ...
regulator did not solve any thing else it could be? intake leak, bad plugs, pre cat oxygen sensor. take to kia and have them run full diagnostics. Most likely pre cat oxy sensor or bad plugs and wires
my 2001 audi tt quattro show in code scanner 02 sensor heater circuit bank 1 sensor 1, circuit open, i replace the sensor before the cat Yes, sensor 1 is pre-cat and sensor 2 is post-cat.
...pre-cat sensor) P1189 = Fuel control, bank-2, sensor-1 (pre-cat sensor)Vacuum leaks and/or sensor defective for the issues of the codes.This error codes really need parts to replace. But you have to ...
...before and after converter they will trigger OBC to "sensor fault" - they should be reading 2 different readings. (Pre CAT/POST cat) I'd suggest replacing cat converter before replacing
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