Questions & Answers for: ecu bad

...ECU is bad. I really think the ECU is receiving a bad signal from somewhere else, but I don't have enough system knowledge to know what has the capability to do so. normally the ECU gets the message ...

bad sensors, but because of the other issues, i would say hmmmm another wet ECU? i don't know the placement of the ECU box on a series 5, but probably below the windshield passengers side access under

...bad A bad ECU will allow the engine to crank but the car won't start It's possible there is a problem with the ECU connection, the ECU, the chip, or the chip connections in the ECU. Good ...

...the bad ECU.  I have the same 2003 ES300. I had the same 3 codes and after 5 months and figured out it was the bad ECU causing the error codes.  Finally replaced the ECU and no more codes ...

ECU is bad. or ECU detects spark loss, again, crash and burn logic in the ECU. the ecu monitors spark at all times. if bad it cuts fuel even if spark is GOOD. ! and spark feed back is bad. that is pin

...bad) ECU won't read ,but fues is good, (test fuse, never just look) What does wont read mean. by what tool by what actions, by you.? IF the ECU will not scan with a new scan too the fuses are ...

...ECU were bad and needs to be replaced. Saying when one goes bad the other goes bad. I found the HCU attached to the inside of the frame near the gas filter. ecu is usually located under hood driver ...

bad. ECU bad, yes, some bad ECU's can run an engine. ECU stuck in backup mode, (think limphome but 2 times worse) in your case id say bad ECU, or bad wire from ECU to CEL. no year stated, so is it

bad? ECU bad? - AcuraZine Community acurazine.com/forums/problems.../immobilizer-bad-ecu-bad-863716/ Jul 21, 2012 - It says to have the ecu reprogrammed and if that doesn't work then to .....Join Date

...ecu is bad, You can only make a manual circuit over the ignition to your Fuel pump . How do you know the ECU is bad ? The ECU supply's a ground for the fuel pump relay . Turn the key to run , don't ...