Asked by Oct 18, 2015 at 01:57 PM about the 1994 GMC Sierra 1500

Question type: Maintenance & Repair

ITS HARD TO GET STARTED once I get it started sounds good as I rev it up its good till get to about 3 grand then it starts back fireing then dies and it takes for ever to get started again then its the same thing im puzzled 1 ok now the things ive done to it so far changed the plugs the cap and rotor icm and the pick up coil nothen helped I hooked up my scanner the codes it gave me said EST ESC AND FUEL PUMP RELAY OR CIRCUIT PROBLEM I GOT A  RELAY OUT OF A TRUCK AT A JUNK YARD THAT TRUCK RAN GOOD IM ABOUT TO CHANGE THE SENDING UNIT NOW OH ALMOST FOR GOT THE ESC THATS THE ONE ON THE RIGHT SIDE OF THE THOUTLE BODY WHITH A 4 OR 5 WIRE CLIP WELL MY TRUCK NEVER HAD ONE ! THATS WHATS GOT ME PUZZLED THE MOST . PLEASE HELP

1 Answer


I took a hammer and hit the bottom of the gas tank 4 or 5 times and it came right out if runs great now but im still gonna change the fuel pump soon even thoe I didn't get any help on here I thought all of this may help someone else out somewhere down the road .

Your Answer

Add photo

Related Questions

Search GMC Sierra 1500 Questions

GMC Sierra 1500 Experts

#1 dragonflyoffshore
Reputation 4,390
#2 John Saffrahn
John Saffrahn
Reputation 3,070
#3 Glenn Clingenpeel
Glenn Clingenpeel
Reputation 2,690
View All

Related Models For Sale

Used Ford F-150"
3,174 Great Deals out of 215,800 listings starting at $1,000
Used Dodge Ram 1500"
537 Great Deals out of 13,898 listings starting at $995
Used Toyota Tacoma"
622 Great Deals out of 30,001 listings starting at $2,850
Used Chevrolet Tahoe"
1,042 Great Deals out of 36,533 listings starting at $1,695
Used GMC Yukon"
546 Great Deals out of 14,665 listings starting at $1,500
Used GMC Sierra 2500"
212 listings starting at $4,999
Used Chevrolet Camaro"
813 Great Deals out of 39,041 listings starting at $2,650

Used Cars For Sale

2017 GMC Sierra 1500 For Sale
18,768 listings starting at $20,851
2016 GMC Sierra 1500 For Sale
76 Great Deals out of 13,583 listings starting at $22,305
2015 GMC Sierra 1500 For Sale
187 Great Deals out of 4,750 listings starting at $15,995
2014 GMC Sierra 1500 For Sale
160 Great Deals out of 4,271 listings starting at $14,899
2013 GMC Sierra 1500 For Sale
85 Great Deals out of 2,639 listings starting at $12,400