Common sign of bad fuel pump
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- Опубликовано: 20 дек 2023
- 5 Common Signs that Your Fuel Pump is Failing
only air when it was expecting to receive fuel. This interruption in fuel flow causes your engine to skip several power strokes, forcing the engine to sputter and jerk. In the early stages of failure, this sputtering may only last for a minute or so before the engine returns to normal operation. Some drivers may confuse this sign with the effects of dirty gas, but modern fuel standards make a failing fuel pump more likely.
2. Your Fuel Pump Might Be Failing if You Lose Power When Accelerating
If you notice that your car often loses power when you try to accelerate from a stop, your fuel pump may be in trouble. Accelerating requires more fuel, forcing your fuel pump to work harder. If your pump is failing, it may not be able to keep up with this increased demand, starving your engine of fuel as it tries to accelerate. If your car acts like it’s about to stall when you try to accelerate from a stop, you may need to have your pump inspected.
3. Your Fuel Pump Might Be a Problem if you are Losing Power While Driving Uphill or Towing a Load
Certain driving activities, such as climbing a hill or towing a load, place an extra strain on your engine and demand more fuel to deliver the same performance. When your fuel pump isn’t on top of its game, it often can’t keep up with this increased fuel demand. These demanding situations increase the strain on your pump, causing the weak elements to fail. With the flaws in your weakened pump exposed, it isn’t able to maintain a steady flow of fuel to the engine, resulting in a loss of power.
4. Your Fuel Pump Might Be Failing if Your Engine Surges
As your fuel pump begins to wear out, its components often wear down at different rates. When this mismatch becomes great enough, the pressure in your fuel lines can become inconsistent. In these circumstances, drivers may find their cars suddenly accelerating for a few moments even when they haven’t pressed the gas pedal, a condition known as surging.
5. Fuel Pump Failure Might Be a Reason Why Your Engine Won’t Start
If you ignore all of the other warning signs of a failing fuel pump, it will eventually fail completely. Once your fuel pump has finally given up the ghost, no fuel will reach your engine. You may hear your spark plugs firing when you try to start your car, but without fuel, the engine won’t be able to turn over. Of course, there could be other explanations for your engine’s failure to start besides a failed fuel pump. To confirm that your pump has failed, check the pressure in your fuel lines with a fuel pressure gauge; if it reads zero, then your pump is likely dead. You can also check your car’s fuse box; a blown fuel pump fuse is another reliable symptom of a failed pump. 
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Your explanation is super it helps me a lot since my car got a common problem
Thanks for your supportive comment
thanks for explaining I have a Suburban 2012 it shut down in the road when I made OBD test it gave
multiple codes one of them U0073 data bus comunication , P069E fuel pump module control - Mil
activation requested , P2635 fuel pump low performance , P0108B fuel pressure sensor B and of course
the delay start engine my question where is the fuel valve regulator in Suburban 2012 shuold I replace it
, is the fuel pump is broken and need to be replaced or updating online Or I have to fix the bus
comunication Bus before to solve the problem thanks in advance .
High speeds my car is fine but when I shift gear from park sometimes it turns off… but when I’m at speed everything is fine
I need to have a full tank or stalls 😅 it's the only way to drive it
Mine only stalls to start when I put gas in my car otherwise it doesn’t
my car is doing all these things but i replaced the fuel pump and fuel filter and still has trouble starting due to lack of fuel. hesitates to accelerate going uphill or from a complete stop and dies at a 1/2 or 1/4 tank of gas. when starting, it always smells like gas. p0171 and p0441 came up at 1 time. it has nothing to do with the gas cap or o2 sensors cuz i already replace them too. i need help trying to figure out why my car wont start and dies but then struggles going uphill or hard acceleration and why it smells like gas during start up. now there are no codes at all. my car is messing up on me. i had to put gas cuz it stalled on me as if i was out of gas and had trouble starting due to lack of fuel but i was at 1/2 tank of gas. so now I have a full tank of gas and put fuel system cleaner and didnt do nothing. cuz these syntomns are still happening.
Check your injector nozzle and you have to inspect by professional mechanic
must be toyota
Thanks for the tip 👍👍👍👍👍
😂😂😂
4:39 No. Never. You can't hear spark plugs firing in the engine.... why post garbage AI explanations and tutorials?
Sorry for that🙏