Fuel System problems

Fuel System: System that provides fuel to the engine. It is formed by a fuel pump, pipes and injectors or a carburetor in older cars.
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Fuel pump relay not powering up from PCM SolvedSolved

Chevrolet Camaro 1995 5.7 LT1 199999 miles
No start, no fuel pump or its relay power.
Could be security system issue or pcm
Key was missing. Chipped key was remade... hoping its programmed correctly.
Could be a pcm issue otherwise. Fuel pump relay wont power up.
LeeLee from United States 7 months ago  
LE
Rank 2
1 reply 
Solved
Best answer (according to LeeLee)
LeeLee from United States 7 months ago
Solved the issue of the pcm (computer) not triggering the fuel pump relay, so the relay will fwd the 12v power to the fuel pump. Upon inspection of the underhood wiring harness I found where the small dark green, wht striped wire was broken... but really, 3-4 inches of it was missing. Couldve been sabotage, or rodent chewed and took a piece of the wire.
Progress, tho the vehicle still isnt repaired. Now i must repair the fuel pump itself. It was done improperly... so i am doing rework and repairing the fuel sending unit simulateously. Fuel gauge on dash board also did not work. Gauge problem is common in these cars from what ive read... I would say its a problem in the fuel sending unit (in the tank) most likely. The tank itself is not easy to remove... rear differential and exhaust must be dropped, unless an access door is cut in the inner body of the car... above the fuel pump (Take All Precautions if youre cutting with a grinder, or will create any sparks)
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Engine Shutting Off While Driving

Chevrolet Camaro 2015 Coupe 70000 miles
My car suddenly shuts off while driving, I’ve changed battery, Fuel Pump Module, Fuel Pump Connector, Chassis Control Module, Spark Plugs but still the problem persists. All these diagnosis and repairs were done by the dealership but the problem still persists!
Parmish from United States a year ago  
PA
1 report 
Here to leave from United States a year ago
Yup. Same. Wtf is going on? I've replaced everything like you. Fuel pump is still going out every 200 miles.
Nancy from United States 10 months ago
Crank sensor or cam sensor
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Won't start

Chevrolet Camaro 2016 6.2 63000 miles
Hit the start button and you can hear fuel pumps come on and the dash lights up like it's supposed to
Tommy Elliott from United States a year ago  
TO
2 reports 
Tommy Elliott from United States a year ago
Any help would be appreciated
Scarface from United States a year ago
Hello maybe this could help , maybe issue with the telematic module, me also having this issue already remplaced a started motor , and now the dealer said that the telematic module is not working properly , but mine is intermitend because few day later car star normaly but i don have the ON Star button light on , and i have a check engine supposed is because the telematic module
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Starts and stalls

Chevrolet Camaro 1995  15000 miles
Good afternoon, I have a Camaro 95 v6 3.4 and my problem is that, when starting the engine, it stalls. I've already changed the ignition key as, at the beginning, the security appeared on the dashboard. After changing it, the indicator continued appearing, so the orange wire coming from the ignition cylinder was disconnected and a resistance of the same voltage was installed, but still no change. New coils and their plates were installed and even the fuel pump, filters and spark plugs were replaced, but without any positive results. I really don't know what can be happening. Thanks for your help.
berry from United States 11 years ago  
BE
2 replies 
Ode from United States 11 years ago
Hi, have you checked the starter? And the crankshaft sensor?
Ode from United States 11 years ago
If you say that the security appeared it means that the alarm was activated, so I recommend you to take the car to an electrician and make him disconnect the wire. Remove the battery so that the computer resets. I recommend you to do this before buying the crankshaft sensor.
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Fuel gauge not responding

Chevrolet Camaro 2012 Coupe 136578 miles
Change the fuel pump out of my 2012 Camaro and now the gas gauge won’t read nothing
A1hernandez from United States 2 years ago  
A1
1 reply 
Rusty from United States a year ago
You need to adjust the float on the pump the gauge works off of it
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Fuel pump not stopping

Chevrolet Camaro 2013 Camaro 225000 miles
Fuel pump still running even after key off
Chris from United States 2 years ago  
CH
1 report 
Lefry from United States 2 years ago
Fuel pump not priming
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1996 Chevrolet CamaroSS fuel pump has no power

Chevrolet Camaro 1996 5.7 60000 miles
1996 Chevrolet CamaroSS fuel pump has no power
luckyauto from other 2 years ago  
LU

Gas Tank on E

Chevrolet Camaro 2012 Coup 145000 miles
I changed out the fuel pump and now the car is always read eat it won’t read the level of the fuel tank what I do
Vvvu on vvv from United States 2 years ago  
VV
2 reports 

1994 c28 Camaro Chevrolet 5.7 V8 LT1 won't crank won't start

Chevrolet Camaro 1994 Z28 Camaro5.7 l , V8 Lt1  95000 miles
This car in sit for some time like 7 years and I've been working on it I put ignition coil ignition coil module spark plugs battery fuel pump assembly the whole thing fuel pressure regulator bypass module. It was turning over just turning over over and over and over now no crank no crank up I had the bypass running through the relays I guess the theft deterrent on the right hand side of the seat passenger seat then I grounded the black yellow wire and crank up and run still shut off maybe after 15 minutes. My son was going to try to jumper off the ignition switch to see if it would run but it… Read complete
94Z28Camaro5.7 lt1 from United States 2 years ago  
94

Started it, it stalls out quick.

Chevrolet Camaro 1995 v6 3.4 liter 99000 miles
I had no problems with it, usually starts instant an stays on but recently it been stalling out, i start it, it cranks... when i hit the gas to try to keep it on. It dies...i was thinking maybe fuel pump or filter? appreciate any help that will help me fix it.
dusty from United States 5 years ago  
DU
4 reports 

Fuel system

Chevrolet Camaro 2017 RS 2 l 30000 miles
I had the high pressure fuel pump fail 3 weeks ago, pumping gas all over the place. The dealer fixed it and a week and a half later, the check engine light came on for emission light came on. The code was that it was running too rich. The dealer fixed it and changed the oil. After 50 miles, I have the light on again, and once more have to get it back yo the dealer. This is starting to get very frustrating.
Big D from Canada 7 years ago  
BI
1 report 
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