What can it be now!!!!!!!!!!!!
Thread Starter
Member
Joined: Aug 2005
Posts: 335
Likes: 0
From: Salisbury NC
Car: 1987 Camaro
Engine: 3.4 Liter
Transmission: 5 speed
Axle/Gears: stock
What can it be now!!!!!!!!!!!!
From a previous thread I threw up that was explaining my fuel leak has been resolved. Changed the fuel rail and the injectors and went back to 15lbs( was using 17lbs since I put in the 3.4). No leaks and now I don't hear my fuel pump whinning the whole time the car is running.
Now the car runs like crap. Won't idle for the love of God. Checked the timing to make sure the rotor was pointing to the #1 plug, verified the mark and all was well. Pulled a few plugs and they are as black as the tires on the car so I'm going to be replacing them tomorrow. Cap, wires, and rotor are fine changed those less than 2 months ago. I guess the next move is to start replacing sensors but I don't know where to start. Depending on the cost I should just go out and buy every seosor on the darn car and replace all of them at the same time. That should keep me from having to run back and forth to the parts store.
So what you think?
Thanks in advance!
Derick
P.S. Grimmcs what ever became of your sensor issues you were explaining before in another thread?
Now the car runs like crap. Won't idle for the love of God. Checked the timing to make sure the rotor was pointing to the #1 plug, verified the mark and all was well. Pulled a few plugs and they are as black as the tires on the car so I'm going to be replacing them tomorrow. Cap, wires, and rotor are fine changed those less than 2 months ago. I guess the next move is to start replacing sensors but I don't know where to start. Depending on the cost I should just go out and buy every seosor on the darn car and replace all of them at the same time. That should keep me from having to run back and forth to the parts store.
So what you think?
Thanks in advance!
Derick
P.S. Grimmcs what ever became of your sensor issues you were explaining before in another thread?
Supreme Member
Joined: Oct 2001
Posts: 8,113
Likes: 6
From: NWOhioToledoArea
Car: 86-FireBird
Engine: -MPFI
Transmission: T5
Axle/Gears: 3:42
Re: What can it be now!!!!!!!!!!!!
Pull the codes, do ya got low voltage to the fuel pump?
I had problem with my bulk head connector for the FP in the back, I could slap the floor beind the back seat and make it fire up.
Ended up this year just rewiring it hot with its own switch, just not very safe in a crash if it kept pumping.
I had problem with my bulk head connector for the FP in the back, I could slap the floor beind the back seat and make it fire up.
Ended up this year just rewiring it hot with its own switch, just not very safe in a crash if it kept pumping.
Member

Joined: Feb 2008
Posts: 176
Likes: 0
From: kentucky
Car: 92 Camaro RS
Engine: 3.4/3500 hybrid
Transmission: 5-speed
Axle/Gears: 3.42
Re: What can it be now!!!!!!!!!!!!
Sounds like the fuel pressur regulator on that rail is bad, since the car is running that means the pump is running and since the pump quit winning after the rail change the fpr is probably stuck open and building enough pressure.
Last edited by 923.4v6; Jan 3, 2009 at 04:27 PM.
Thread Starter
Member
Joined: Aug 2005
Posts: 335
Likes: 0
From: Salisbury NC
Car: 1987 Camaro
Engine: 3.4 Liter
Transmission: 5 speed
Axle/Gears: stock
Re: What can it be now!!!!!!!!!!!!
Naw the pump and the FPR are working fine. Those 17lb injectors were putting a strain on that old pump but its working fine now. It was humming the whole time very loud but now its a mild hum and you can only hear it if you are listening very closely like it did when I first got the car. After I change the plugs tomorrow I will pull the codes and see what I get.
Supreme Member
iTrader: (1)
Joined: Apr 2008
Posts: 10,401
Likes: 5
From: Utah
Car: 89 RS 89 iroc 87 firebird
Engine: 3.1 Turbo/ 355 twin turbo
Transmission: a4 w/ 4500 stall/ a4 / t5
Axle/Gears: strange s60 /w 3:42's
Re: What can it be now!!!!!!!!!!!!
change the plugs and see what it does chances are the plugs are just fuel fouled
Thread Starter
Member
Joined: Aug 2005
Posts: 335
Likes: 0
From: Salisbury NC
Car: 1987 Camaro
Engine: 3.4 Liter
Transmission: 5 speed
Axle/Gears: stock
Re: What can it be now!!!!!!!!!!!!
Well new plugs are installed and it will idle but it sounds like crap. Going to pul codes tomorrow and look them up but looking like a pull and rebuild coming up. There 's a tapping coming from the #6 cylinder like a bad lifter so may as well.



