94 5.7L TBI stumbling

[GMC1994K1500SierraSL]

Where would I take it to get tested? How many grounds are there typically? One by my battery looks good


Sent from the Sierra Club

 

[slippy3002]

Where would I take it to get tested? How many grounds are there typically? One by my battery looks good


Sent from the Sierra Club

Advanced and AutoZone should be able to pull them or just buy a cheap code reader. There should be one that goes from the block to the frame.

Sent from Robl@nd

 

[slippy3002]

Also check the one from the sending unit to the frame.

Sent from Robl@nd

 

[TylerZ281500]

should be two by your firewall, one by your gas tank, and one by your ALDL i bleieve.

 

[GMC1994K1500SierraSL]

Down by the fuel tank is where I need to look for a ground for the sending unit? I did change my fuel filter recently, when I was removing it I had to move the line going to the tank back a bit to slide the filter out, that was about 2000km ago, I don't have any lights in my cluster on, our scanner tool quit and we don't have autozone or advanced in my town, I'm going to order new plugs and wires, maybe a new cap and rotor, could this potentially be the first signs of a fuel pump quiting? I smell gas in my exhaust when I start it after its been sitting for a while


Sent from the Sierra Club

 

[slippy3002]

The ground is right by the fuel tank pin the frame. I wouldn't throw parts at it just yet.

Sent from Robl@nd

 

[GMC1994K1500SierraSL]

Take all my grounds off and clean them?


Sent from the Sierra Club

 

[slippy3002]

Take all my grounds off and clean them?


Sent from the Sierra Club

That would be a start. How is you iac?

Sent from Robl@nd

 

[thunderstruck]

Check your fuel pressure!

 

[GMC1994K1500SierraSL]

IAC? How do I check my fuel pressure? Sorry I'm still new to this and learning


Sent from the Sierra Club