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1132-This Relates to Heated oxygen sensor (H02S) 1, bank 1/heated oxygen sensor (H02S) 2, bank 1 - signal incompatibility 1618-This Relates to Cable fault between AW 50-Q2 TCM and Motronic 4.4 ECM (lamp lights) 1238-This Relates to Turbocharger (TC) boost pressure sensor - boost control malfunction 0137-This Relates to Bank 1, Sensor 2 - Circuit Low Voltage for O2 0722-This Relates to No Signal in Output Shaft Speed Sensor Circuit
CODE P1171 SYSTEM TOO LEAN BANK 1 PART LOAD. POSSIBLE CAUSE - INTAKE/EXHAUST LEAK , FAULTY MAF SENSOR , FAULTY MAP SENSOR OR FUEL PRESSURE TOO LOW DUE TO STOPPED UP FUEL FILTER.WEAK FUEL PUMP.
The most common problem is either the blower motor or the speed control resistor. Both items can be accessed by removing the glove box and panel below it.
you can do that since you already replace the cat, however the problem may be some where else like maf sensor, intake leaks faulty plugs, coils or fuel injectors
Usually the ABS computer knows what it is doing. You may want someone to hookup a scanner to the ABS test port.
When I had my speedometer and odometer act up, it turned out to be a bad alternator. You might want to check yours.
replace front engine seal on 2006 volvo xc 90 w/2.5 engine
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