Why would you need a new ECU?
For example, poor performance or unexplained drops in fuel economy or efficiency are often related to onboard car computer problems, or faulty ECU issues. A damaged ECU can cause problems when shifting gears in an automatic transmission, or cause sudden jerking or stopping that’s similar to transmission problems.
Will a car start without an ECM?
If your ECM can’t make adjustments to your car’s timing or air to fuel ratio, the vehicle may not start at all. Of course, there are other reasons a car may not start, including a bad starter or a blown alternator. If you’ve replaced these parts and your car won’t start, your ECM is the most likely cause.
What to do if you have a Mercedes Benz ECU problem?
RETURN POLICY MERCEDES BENZ ECU / ECM QUESTIONS AND ANSWERS If you are having a problem with your Mercedes Benz and you think it may be related to the ECU, feel free to post your question here and one of our technicians will respond within 24 hours. Include your email if you want a response by email.
Can a Mercedes S500 get more horsepower if ECU is tuned?
Question: Will a mercedes S500 get more horsepower if the ecu is tuned. If so, how much torque can be added safely without damaging the ecu or the engine. Thanks Answer: Yes, you can get more torque. But we do not offer tuning services Date Created: 2015-11-18 Name: Sam Davis Email: [email protected]: Year: 2007 Vehicle: Mercedes S550 Ecm
Can a Mercedes 300SL have a bad ECU?
The vehicle is actually a 300sl but there was no option to choose from. I was wondering if the crankshaft sensor andcam sensor were replaced and code 17 (open or bad crank sensor) cleared but comes right back after the engine is started a sign of a bad ECU? The vehicle starts and runs but mises a lot when accelerated.
Is there a problem with Mercedes Benz S550 ECU?
Answer: Yes, this is a common problem with the S550 ecu . What happens is that when the ecu gets hot it stars acting up. Try to spray some freon on the base of the ecu and see if the misfire continues. More than likely we will have to replace the ecu with part number A2731535679 Thanks Date Created: 2015-11-19 Name: Kim Jenkins
Is it worth tuning a Mercedes-Benz E350 Coupe?
The E350 puts out 267bhp. With a tune from say Eurocharge or another tuner that offers a ECU flash and filters you might be lucky to get 300bhp. If you want big bhp upgrades you need to pay big bucks to do it. At that rate just trade in for a 2012 E550 Coupe.
What to do if your ECU goes bad?
ECU Computer Diagnostics. If you suspect that the electronic control unit in your vehicle is damaged, or is going bad, you should immediately take your vehicle to the nearest dealership, repair shop or service center.
Which is the best ECU for Mercedes S550?
The 2007 S550 ecu is also a popular item. Part number A2731535079 and A2731535679 are both popular S550 replacements. Call us if you have any questions. Copyright © 2012 Mercedesecm.com – All rights reserved – Privacy Policy
What does the ECU do in a car?
The ECU, or engine control unit, is a major component of your car’s onboard computer. It’s used to regulate many systems and subsystems in your car’s engine, drive train and other major components. There are many symptoms that can be associated with a faulty ECU. Here are some ways to tell if yours is damaged or faulty.