open loop operation. The engine enters closed loop operation after it reaches a specified temperature and the time delay ends. During closed loop operation, the PCM cycles (energizes and de-energizes)
open loop operation. The engine enters closed loop operation after it reaches a specified temperature and the time delay ends. During closed loop operation, the PCM cycles (energizes and de-energizes)
Question about Jeep Grand Cherokee
hot cold engine. idle controls, etc. pretend helper cant drive car..... the ISC is a servo , it's a closed loop servo system. controlled by software (firmware) in the PCM. it keeps idle correct at all
open loop operation. The engine enters closed loop operation after it reaches a specified temperature and the time delay ends. During closed loop operation, the PCM cycles (energizes and de-energizes)
open loop operation. The engine enters closed loop operation after it reaches a specified temperature and the time delay ends. During closed loop operation, the PCM cycles (energizes and de-energizes)
...hot and under pressure. Serious burns from coolant can occur. WARNING When removing the radiator or A/C condenser for any reason, note the location of all radiator- to-body and radiator-to-A/C ...
open hood , look up, see that EPA spark time spec there? bingo. if way off, find out why. now. do not proceed. i then scan the PCM. with any scan tool. got DTCS? post them. The PCM will report misfire
Question about Jeep Grand Cherokee
multi cylinder misfire 0300, then will set code 0152 or 0132. Maybe once in 1000 miles. Try changing the coolant temp sensor, it determines when the ECU shifts from open loop (cold) to closed loop(hot
Question about Volvo Cars & Trucks
...Open Loop and no sensors are involved. When the engine is hot and it looks at sensors, then it won't start. That makes me think that it's a coolant temp sensor malfunctioning. If it says that the ...
Sounds like its running rich after it goes into closed loop fuel. In open loop it has preset values and are based on the temp sensor. Then either run on the map sensor or mass air which everone it has
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