cindyA

i have an 01 camaro with a messed up fuel pump i thank. it rins good for a while the all of a suden it will die on me at low rpms. one day the pump wasnt even turning on, tryed to crank it for 3 days and and the pump would not turn on, then it just started to work again. i drove it for i thank 3 day then i pulled in somewhere and it just died no spit or sputter just died.. any ideas would be grat. oh and i just changed the fuel filter

04gto5.7

u may not have enough power to ur fuel pump like maybe a bad ground or something or heck i could be that the pump itself finally took a crap

cindyA

it cranks now i dont thank its the fuel pump but it could be... it puts out 52psi. and the relay gets REALY hot

cindyA

could it be that the fuel pump is to big?

04gto5.7

what pump did u put in

cindyA

racetronic

cindyA

just drove to town and died again at a stop sighn

JRENIGAR

iTrader: (37)

Try a new relay, and fuses. Maybe check the connectors to make sure good full contact. Last check grounds. Did you use the wiring kit? Check the grounds on the relay for the kit if used. If on factory wiring try to get an amp meter and see how many amps its pulling, the wiring might be too small.

04gto5.7

Agree ^^^

cindyA

did not use the wireing kit... i will check all that today and thank u..

JRENIGAR

iTrader: (37)

You did remember to re install the retaining clips for the connectors in the pump assy, right? If not, you might have a loose conn there.

cindyA

the clip on top of the fuel pump (its black and it says 5 volt on it) was broke off from the fuel pump but still conected to the wire.... we took it out and swiched fuel pumps... whats that black clip called?

bayer-z28

iTrader: (14)

Any other issues before the pump went out? Check the grounds for the pump and just for ***** check the grounds in the back of the driver's side head. Those ground the PCM and a LOT of other critical items. The BCM ground is the kick panel on the left inside near the hood pop. In back of that panel.

cindyA

no other issues before.. just changed the fuel pump and it died 3 time tonight in an hour at low rpms so its not the pump... could it be the o2 sencer? o and it serjis when i keep it at one speed, it wants to shift down shift up the hole tiime unless i let off or give it more gas.. can that be the o2 sencer to?

04gto5.7

Are u throwing any kindof code

cindyA

ok so we changed the fuel filter the fuel pump, it threw o2 sensor codes so we changed both of them in the front. still didnt fix it. started messing with the trodel sensor and the car acted up and dies so now we got the problem, we changed it and nope thats not it... it runs way worse now. no clue what to do now.

Lonnies Performance

iTrader: (16)

You are randomly replacing parts instead of diagnosing the problem.

The o2's show bad as the car is probably so lean that the o2 does not show proper voltage.

Your first check should have been fuel pressure, what is it running & how fast does it drop when you shut the car off? The 52 you stated needs more explanation of when you read this value.

Why did you replace the pump in the first place? Was it doing this before?

Did you verify voltage at the pump? at the relay?
Did you clean all connectors (in sending unit, on top of & at the body of the car) that you disconneced?

You should have used a hot wire kit if you put in a bigger pump... but find your problem first before you add anytihng else.

cindyA

we found the problem lol... there was a split wire goin to the air mass... so sometimes it would touch and sometime it wouldnt .but we fixed it

kevindglenn

I second the thought that your fuel pump may be too big.