Questions & Answers for: Suzuki do loop codes

...your vehicle is equipped with. The engine may run until the engine computer switches to closed loop fuel control (means its warmed up and the pcm is in control of the fuel trim) and then stall ...

...codes po 134 po 153 po 154 po 155 po 171 po 174 PO 134 = 02 SENSOR CIRCUIT NO ACTIVITY DETECTED (BANK 1 SENSOR1) PO 153 =02 SENSOR CIRCUIT SLOW RESPONSE (BANK 2 SENSOR 1) PO 154 =02 SENSOR CIRCUIT NO ...

...fuel economy and emission control. Fuel delivery is controlled differently during Open and Closed Loop. During Open Loop, the ECM determines fuel delivery based on sensor signals without Heated ...

...MPG, good now? got a scan tool,. not a code reader but a $50 scan tool? is the motor holding close loop status at idle. and light cruise.? no, EFI problems , yes then driving too fast or too much ...

b1395 code firing loops interconnection fault what does it mean gee, you didnt say which controller gave that. Air bag A/t controller ECU/PCM/? eg; who told you that, or what, and more important where

...runs -4% not -40 rich or +40 rich are there only 303s, no others? is the engine ECU holding closed loop at idle and light flat cruise? you do ,know all engines have 1 weaker cylinder, (marginal) and ...

...case misfire. there are 3 tests. what has changes, use the scan too to see if> ? holds closed loop at idle and light cruise speed, (no hills) LTFT at near 0? -4% is perfect, but +40 or -40 is ...

codes? the Check engine flashing light using the diagnostic jumper , yet? mostly those. there are tests for each. ASE ways and means. if your swift has a heated 02 sensor, it can even hold closed loop

... my guess, is, its running lean. use a scan tool (real no useless code readers) and look for closed loopstatus at 60mph. and idle. if its not going to CL, status, that IS the top symptoms. and LTFT, ...

...loop at idle? no, fix that first. 3: i see LTFT , is trying to correct gloss lean. (bingo) LTFT = long term fuel trim, 4: EGR cleaned, Does it leak.? 5: is the MAF dirty, the MAF sensor can go weak ...