Questions & Answers for: car stays open loop

...and stay at 700rpm. Lexus ES300 1995, 141 000 miles, bought in Canada. it is normal. car is designed to do this when engine is cold. it called open loop. when it warms up it is called closed

if you're O2 sensor is gone will you use more fuel for my 2004 neon sx2 YES IF YOUR H02 SENSOR IS BAD.IT WILL CAUSE THE CAR TO STAY IN OPEN LOOP CAUSING CAR RUN RICH.

open loop' system when it is cold. The open loop system is a predefined set of parameters (including fuel/air mixture) embedded into the ECM to run the vehicle until the vehicle warms up and goes into

what is the cause of a injector to stay open and give a open loop code on a 2000 v w jetta 2.0 ? possible ecm. TIM

...up it normal the shifting. Please help me. THERMOSTAT STAYING OPEN CAUSE PCM STAY IN OPEN LOOP WHICH WILL CASE ENGINE RUN POORLY TRANSMISSION SHIFTING LATE.REPLACE THERMOSTAT SEE IF IT HELPS

...OPEN LOOP.ENGINE WILL BURN RICH BURN MORE FUEL.YOUR THERMOSTAT ALLOWS COOLANT TEMPERATURE TO GET AT A SET POINT WHERE ECM OR PCM ADJUST FUEL SYSTEM FROM OPEN LOOP RICH MIXTURE FOR COLD ENGINE TO ...

...open loop again for about 20 seconds then it went back into closed loop I am taking it back to inspection in N.J. it shows no codes no check engine lite any help would be appreciated if I fail again ...

stays in open loop, stalls Most probable causes are the engine coolant temperature sensor has gone bad or the manifold absolute pressure sensor is not sending the correct voltage signal. Both of these

...stays in open loop mode all the time runs horrible To go into closed loop the computer needs to see engine coolant at operating temperature and rapidly changing oxygen sensor signals. So check the O2 ...

...gate opener. One of the global inputs stays lit on the board (reverse loop" ) light. I think that might be the issue but how do I fix that? ...