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Idaho83815
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Cocolalla
Joined
Apr 23, 2024
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Today at 7:26 PM
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Idaho83815
replied to the thread
'93 K3500, 454 TBI, poor drivability
.
Hey Schurkey, I have 13.6 volts at pump with engine running and battery a bit low in volts, and .003 volts on ground using a jumper wire...
Today at 6:39 PM
Idaho83815
replied to the thread
'93 K3500, 454 TBI, poor drivability
.
Hello all, I removed the bed today to get at the pump and wiring. The pump assembly has a lot of surface rust and looks...
Yesterday at 10:14 PM
Idaho83815
replied to the thread
'93 K3500, 454 TBI, poor drivability
.
Also will get to have it on a scanner a week from Friday
Wednesday at 12:34 AM
Idaho83815
replied to the thread
'93 K3500, 454 TBI, poor drivability
.
Thanks Richard. I checked it at the pump side of filter. Good Wix filter installed last week. The kit is a loaner so I can’t leave it...
Wednesday at 12:31 AM
Idaho83815
replied to the thread
'93 K3500, 454 TBI, poor drivability
.
I think I smell what you are standing in..... good ideas, thanks. Now how to get close to the pump and find the right wires.. I will...
Tuesday at 10:34 PM
Idaho83815
replied to the thread
'93 K3500, 454 TBI, poor drivability
.
Well I will have to verify specs but this 93 7.4 with TBI should have 11-13 PSI. I am only getting 8 psi on key and 11-12 at idle. That...
Tuesday at 10:02 PM
Idaho83815
replied to the thread
'93 K3500, 454 TBI, poor drivability
.
I got a great loaner fuel pressure test rig in the loaner pool at O’reillys. It has the GM TBI capability at the filter with the fitting...
Tuesday at 6:58 PM
Idaho83815
replied to the thread
'93 K3500, 454 TBI, poor drivability
.
Thanks Sabinoerc. I have seen/read where most folks test on pump side of filter, I suppose I can try on both sides to see if any...
Tuesday at 11:24 AM
Idaho83815
replied to the thread
'93 K3500, 454 TBI, poor drivability
.
Thanks udidwjat. And for those suggesting the fuel pressure test, I have a loaner on reserve as soon as the previous user returns it….
Monday at 10:02 PM
Idaho83815
replied to the thread
'93 K3500, 454 TBI, poor drivability
.
Thanks Sabinoerc. I will be working on getting a fuel pressure gauge this week. When you say the ECU ground is on the CTS… you mean the...
Monday at 1:55 PM
Idaho83815
replied to the thread
'93 K3500, 454 TBI, poor drivability
.
Thanks Amsterdamned. I have two nice cones of fuel coming from the injectors, at least at idle or revved up in park..... Will i hear a...
Sunday at 12:03 PM
Idaho83815
replied to the thread
'93 K3500, 454 TBI, poor drivability
.
Thanks Dave. I hear you on getting it to a shop and will when they have a slot open for me. In the mean time I will look for grounds.
Sunday at 11:59 AM
Idaho83815
replied to the thread
'93 K3500, 454 TBI, poor drivability
.
Thanks Schurkey. I will look into loaner programs. I will probably wait on the leak down test, not sure I have a way to do it, but...
Sunday at 11:57 AM
Idaho83815
posted the thread
'93 K3500, 454 TBI, poor drivability
in
Engine Performance + Maintenance
.
Hello, newby and looking for advice. Thanks in advance. 1993 GMC K3500, 7.4, TBI, 156k miles, 4L80E Auto Trans (Jasper Reman tranny...
Saturday at 3:09 PM
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