Mostly, you will see the error code Po69E in case of a bad fuel pump controller.Īnd if you want to do the diagnosis yourself, you have to connect the pins and do some observations. To diagnose the fuel pump control module by scanning, you must take your vehicle to a repair shop. You can do the test or diagnosis by following two methods. How do you test a fuel pump control module? If the problem lies in there, you are just some steps away to get rid of the problem. If you face a power surge while reversing, it may happen due to a bad fuel pump controller.ĭon’t panic. One of the reasons for a power surge in a vehicle is a bad fuel pump driver. If you are lucky, your problem may get solved in this first step! 7.
The acceleration may also feel like a booster after a pause.īefore going for some big replacements or changes, try diagnosing the fuel pump driver first. You may face pauses while accelerating the vehicle out of nowhere. You will face problems in acceleration if something bad happens to the fuel pump driver. This one is another common symptom of a bad fuel pump driver. That is why from now on, you should also consider diagnosing the fuel pump driver module whenever you face interruptions in performance. And if the fuel pump becomes problematic, you won’t get optimal fuel or fuel pressure. The fuel pump controller goes bad, the fuel pump itself doesn’t work properly. What is the relation between performance and fuel pump driver module? If the fuel pump driver module becomes faulty, you won’t get your vehicle’s smooth or peak performance. People always consider the amount of performance they need from a vehicle and then decide whether a particular pick is worth the money. But the one thing people never forget to speculate is the horsepower or expected performance from the vehicle. The design and build structure of a vehicle has a lot of emphasis on people while they choose to buy a vehicle. Whenever you feel something is wrong with your vehicle, try to diagnose it.Īnd, especially, in this case, check on the fuel pump driver module whether it is okay or not. If a fuel pump control module goes bad, this exact situation can happen to you. But that is not the case in this situation. You may think that it is an illusion and not real. All of a sudden, you feel that your vehicle is not that powerful.
Imagine you are driving normally on the road. So, don’t forget to check on the fuel pump controller whenever you start having smoky starts. Your thoughts are wrong here.Įven if you see smoky starts, you can have a bad fuel pump driver module.
You may see your vehicle having smoky starts and think that this is an entirely different problem than of bad fuel pump driver module. Why is the smoky start not in the section of ‘no start’? Because they are totally two different problems even though they may seem related. Keep your head cool and start the diagnosing by observing the fuel pump control module.
Well, now that you are here, don’t panic in the ‘no start’ cases. Yeah, we know those feelings as we also have gone through those situations.īefore reading this article, you might not even imagine that the ‘no start’ issue can arise from a bad fuel pump driver. In the cases of no starts, people tend to panic a lot. No startĪnother common issue you may face due to a bad fuel pump driver module is “No Start”. So, whenever you face rough idling, don’t forget to check on the fuel pump driver module. What would happen if you missed doing so? For the least, you may end up doing some heavy-cost upgrades that were not necessary. Among them, you must need to check on the fuel pump driver module. Yes, we know that this issue may evolve for a lot of reasons. If the fuel pump driver module of your vehicle goes bad, you may face rough idling. And rough idling is not the thing you would want even for a single time. It can be either for the red light or even for some quick breaks to buy some snacks. We need to keep our vehicles idle quite often. Stalling or Uneven running while Rough idling You can do that by simply asking the question, “ What are the symptoms of a bad fuel pump driver module?” Why should you ask the question?īecause if you know the symptoms, you can take prompt actions without causing further damage to the fuel pump or the engine. Let’s head to them. How do you make sure of a healthy fuel pump control module then? Otherwise, you will be in trouble because the fuel pump won’t work at its best or even not work at all.