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Have no power when giving fuel to engine - Cars & Trucks

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Have the fuel pressure and volume checked if either one is low it can cause this. also check the throttle position sensor(TPS) if it is bad will cause it as well. just some thing to check.

Posted on Apr 25, 2015

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Posted on Jan 02, 2017

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My vehicle loses power when I try to accelerate, ive cleanded the tank new fuel pump new evr new fuel filter. I own a 98 e 150 van


What engine computer fault codes do you have, if you have not done scan for fault codes do that. Also check fuel pressure under a load.

Jan 23, 2017 | Ford E-150 Cars & Trucks

2 Answers

How do i fix engine giving out so much black smoke and not even powering?


Black smoke is unburned fuel and a lot of it, so maybe you have a fuel problem. I would first check fuel pressure to see if you have a fuel pump or fuel pressure regulator problem. If the pressure is correct, next you could check for clogged or leaking fuel injectors.

If any cylinders are misfiring, that could be pushing a lot of unburned gas out the exhaust. Pull the spark plugs and see how they have been firing. That may indicate any problem cylinders. If all plugs are uniformly coated with a black soot, that means the fuel/air ratio is very rich. Check for air obstructions like a dirty air filter or check the fuel pressure regulator.

Oct 20, 2015 | Cars & Trucks

3 Answers

No power to the fuel pump


Maybe this will help ---

Also check the fuel shut off switch since you do not have power.

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Jan 08, 2015 | 2002 Toyota ECHO

1 Answer

05 Chevy cobalt have no power to fuse block for fuel pump


You have no voltage at 15 amp fuel pump fuse in the under hood fuse/relay center ? There is a fuel pump relay also in same under hood fuse box. The fuel pump fuse gets power from the fuel pump relay. The ( PCM ) engine computer controls that relay, gives power or ground electronically to turn the relay on giving power to the fuel pump through the fuel pump fuse. You could have a bad relay or an anti-theft system problem . What engine does you vehicle have 2.0 L or 2.2 L the 2.0 L engine gets power differently to fuel pump .

Dec 28, 2014 | 2005 Chevrolet Cobalt

1 Answer

Would a faulty electric fuel pump relay be the reason there is no power going down to the fuel pump in a 2002 suzuki grand vitara 2.0 rhz diesel engine


To test fuel flow, have a 2nd person stand over air filter (air filter housing open) with a can of starting fluid in one hand. Don't give any throttle, then 2nd person gives 1-second squirt into air filter while you're turning starter motor (no throttle). When engine catches, immediately give one third to one half throttle. Just before it dies, 2nd person should give another short squirt of starting fluid to keep engine from dying. If throttle won't keep engine running and only starting fluid keeps it running, then yes, no fuel is going through fuel lines. Either its a fuel pump issue or maybe there's restriction because of clogged dirty fuel filter. If it starts but runs rough and has black exhaust smoke, then its clogged or dirty fuel injectors.

Nov 29, 2013 | 2002 Suzuki Grand Vitara

1 Answer

2005 dodgeram reduce engine power


Clogged Cat
Reduced Fuel Pressure
Clogged Fuel Filter
Clogged Air Filter
Bad Fuel Pump

This should give you a path to start troubleshooting. I would put my money on a Defective Fuel Pump..

Apr 16, 2013 | 2005 Dodge Ram 1500

1 Answer

92 accord engine/rpm/lack of power problem


i had the same prob on a toyota check out the fuel presure if its good its prob the fuel regulater i think it should have around 32 psi but call and double check that

Feb 27, 2012 | 1992 Honda Accord

2 Answers

When step on gas it has slow acceleration, no horse power, engine dies.


Is your check engine light on?

It sounds like it could be you TPS (throttle position sensor)

If it's not getting the right signal when you step on the gas pedal, it won't let the computer know what position it's in, when the throttle is open it will let in to much air, but not give it enough fuel for that amout of air.....

Apr 03, 2011 | 2000 Chevrolet Impala

1 Answer

91 ford mustang 5.0 fuel pump and relay is working but the pump is not getting power


How do you know the fuel pump is not getting power?.The fuel pump only comes on for a second or two before cutting back off.The ecm only suppys power to the relay for a few short seconds with key in the on position.Only constant 12 volts is supplied when the engine is running.Is the fuel pump new?How do we know it is good?Also is the engine giving a spark when the engine is turning over?If the engine has no spark,then the pick up coil could be bad,otr the ignition module could be bad.Check the fuel at the injsctors or a fuel line to see if the fuel will pump out when the key is turned on,if it does not,then check to see if the ijectors are pulsing.If the injectors are not pulsing ,and you have spark,then remove the distributor and replace the pick up coil,and the ignition module.The pick up coil,along with the igniyion module give the injectors there pulse.One other thing,If the fuel pump is not for sure coming on,check to see if the relay is clicking on,and then off in a couple of seconds.If this is true,then replace the fuel pump.Any other questons,please ask,I will try to help if I can.I hope this was some help,let me know,thanks.

Sep 29, 2009 | 1991 Ford Mustang

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