answersLogoWhite

0

Symptoms of bad ecu

Updated: 10/20/2022
User Avatar

Wiki User

βˆ™ 10y ago

Best Answer

Some signs that your engine control unit is not working properly are car failure, bad gas mileage, and your car running poorly. If your check engine light is on, that might also indicate an ECU problem.

User Avatar

Wiki User

βˆ™ 10y ago
This answer is:
User Avatar

Add your answer:

Earn +20 pts
Q: Symptoms of bad ecu
Write your answer...
Submit
Still have questions?
magnify glass
imp
Related questions

What are the symptoms of a bad ECU in a 1992 Toyota Celica GT?

It is important to know the symptoms of a bad car part. The symptoms of a bad ECU are the check engine light stays on, the car won't start, transmission problems, and bad emissions results.


What are the symptoms of a bad ECU for a 1988 turbo Supra 7MGTE?

When you turn the ignition on the CHECK ENGINE light will not light up at all.


Can a car start with a bad ecu?

Depending on what part of the ecu is bad, yes.


What causes a 1986 Toyota MR2 engine to cut out?

get your ecu checked out my 91 was doing the same thing, the ecu was bad, and the ground to the ecu was bad, which caused the "fry" to the ecu.


How do you know when your ecu is bad?

A car will not operate without the a working ECU. If the computer is bad car will not turn on. A driver will not be able to use any of the engines accessories.


Hey i have a 1997 Mercedes E320 and the check engine electronics is appearing and it runs about 40 mph and it feels like it pulls back like a standard car what could be the problem?

Seems to me like you have symptoms of a bad Engine Control Unit, The ECU directly ties to your emmission system, which controls acceleration, have you tried erasing the fault code with an OBD 2 scanner, pretty simple you could buy this scanner from Ebay for about $80.00. just plug it above your pedals, message gone and will also give you a code, if your ECU is bad, then you will have to replace the ecu, Get the part # from the dealer of the ECU, buy it from Ebay for about $200.00 replace it, erase message again with scanner. save a bunch of $ Seems to me like you have symptoms of a bad Engine Control Unit, The ECU directly ties to your emmission system, which controls acceleration, have you tried erasing the fault code with an OBD 2 scanner, pretty simple you could buy this scanner from Ebay for about $80.00. just plug it above your pedals, message gone and will also give you a code, if your ECU is bad, then you will have to replace the ecu, Get the part # from the dealer of the ECU, buy it from Ebay for about $200.00 replace it, erase message again with scanner. save a bunch of $


What are the symptoms of a bad TDC sensor?

what are the symptoms of bad tdc o2 sensor


Is it bad to pull the ECU fuse on a 1989 Celica?

i think so


What causes the air-fuel mixture to become too rich?

bad or misreading MAP or MAF sensors, bad ECT sensor, bad TPS sensor, stuck open fuel injector, or problem with fuel system, faulty parameters set in ECU or bad ECU.


What causes the air fuel mixture to become too rich?

bad or misreading MAP or MAF sensors, bad ECT sensor, bad TPS sensor, stuck open fuel injector, or problem with fuel system, faulty parameters set in ECU or bad ECU.


What are the symptoms of bad gas in a vehicle?

Bad performance; pingging noise in motor are symptoms of bad gas in a vehicle.


What are the symptoms of bad material handling?

symptoms of bad material handling points