2002 GMC Yukon XL "fuel system" Questions

...it have , 4.3 l vortec ? With Central Port Injection system . Could have bad fuel pressure regulator . Hard start common problem with this fuel injection system ! GM CPI Leak Part 1 bleed down ...

up with fuel it hesitates to start. Why is that The truck runs fine. It just does this when i put gas in it You need to have the fuel vapor recovery system tested as well as the system for fault codes

...this will cause other problems. If it is not the fuel cap the problem may be the filter, the fuel pump, or aome other fuel system malfunction. have someone check the Mass Flow sensor on you ...

fuel pump regulator is in the CSFI system and your going to have to take the upper platinum off to get to it. Here is a link that may interest you and you can also check to see where the fuel pressure

fuel pump fuse , if it were bad it would start at all ! Sounds like anti-theft system problem ! The theft deterrent system has been incorporated into the body control module (BCM). The theft deterrent

...fuel system that would affect the fuel pump and relay to where it would burn it out is grounds , pcm , fuel pump , fuel pump relay. so you should convince them to replace the fuel pump and fuel pump ...

...fuel filter, treatment 4 times in gas tank. What could this be? Missing is usually associated with the ignition system. Check the ignition module and possibly try to check the individual spark plugs. ...

car is stalling with 1/4 tank of gas search for a leak in the fuel system probably in the tank at the fuel pump connection to the feed line

...fuel injection system. The vortec engine uses a "spider leg" injection system and I have found that if a tune up doesn't clear this code, that the injector tips are dirty. In simple terms, the fuel ...

...fuel pressure (granted it is low) and truck runs. How PCM? I am not maxing the system out for it to blow by the relief. How positioning sensor? Truck doesn't stall and only has issues on acceleration ...