|
Senior Member
Join Date: Apr 2008
Posts: 1,557
|
Data base Search on Identifix........
Extended crank 50 PSI fuel pressure
Average Reported Mileage:
132500
Tests/Procedures:
1. Check the fuel filter.
2. Check the fuel pump power/ground, Gray and Black wires.
3. If OK, replace the fuel pump.
Tech Tips:
Fuel pressure needs to be 60-66 PSI while cranking
1997 Blazer 4.3
1997 K1500 5.7
1997 C1500 5.0
1998 K1500 5.7
1997 S10 4.3
1993 Safari 4.3
1993 S10 Blazer 4.3
1999 Yukon 5.7
1998 Jimmy 4.3
Customer Concern:
Engine is starting hard. If alternate fuel is added, it will start right up.
Average Reported Mileage:
176294
Tests/Procedures:
1. Check fuel pressure while cranking. It has to be 60-66 PSI while cranking the engine over.
2. Check for power and ground to the fuel pump.
3. Try blocking the return line and see if the pressure goes higher or stays the same.
Author:
Christopher Pittman
Potential Causes
With OEM Direct diagrams, components, TSBs, and R&R procedures
Weak Fuel Pump
Malfunctioning Fuel Pump Ground Supply
Malfunctioning Fuel Pump Power Supply
Confirmed Fix Summary
With OEM Direct diagrams, components, TSBs, and R&R procedures
Confirmed Fix
9 - Fuel Pump
3 - Fuel Filter, Fuel Pump
1 - Battery Cable Terminal(s), Battery Terminal Bolt
Confirmed Fix Details
Tech
Reported Fix Details
Confirmed Fix
Dan Tepolt
October 05, 2013
1999 GMC Yukon, Denali 5.7L, V8, Gas, Asp N, VIN R, USA *
Fuel Pump
114,000 miles
Fuel Pump
Victor Arrington
August 14, 2013
1993 Chevrolet S10 Blazer, Tahoe 4.3L, V6, VIN W, USA *
Fuel Pump
175,650 miles
Fuel Pump
Allan Clare
August 10, 2012
1997 Chevrolet Blazer, LT 4.3L, V6, VIN W, USA *
Fuel Pump
- Bad fuel pump fixed it THANKS
Fuel Pump
BSRO Technician
August 28, 2011
1997 Chevrolet Blazer, LT 4.3L, V6, VIN W, USA *
Fuel Pump
- found insufficient fuel pressure and pressure was also bleeding off with key off. Replaced fuel pump.
Fuel Pump
Bobby Weige
June 28, 2011
1993 Chevrolet S10 Blazer, Tahoe LT 4.3L, V6, VIN W, USA *
Fuel Pump
- fuel preasuer 55 psi at cranking replace pump now preasure at 65 all is good now car fixed
Fuel Pump
Allen Price
September 22, 2010
1993 Chevrolet S10 Blazer, Tahoe 4.3L, V6, VIN W, USA *
Fuel Pump
284,009 miles
Fuel Pump
Al Sten
April 21, 2010
1997 Chevrolet S10, LS 4.3L, V6, Gas, Asp N, VIN X, 12V, OHV, FI, USA *
Fuel Pump
173,000 miles
Fuel Pump
Danny Cianciulli
January 22, 2008
1998 GMC Jimmy, SLS 4.3L, V6, VIN W, USA *
Fuel Pump
121,000 miles
Fuel Pump
Paul Palacio
October 31, 2006
1993 Chevrolet S10 Blazer, Tahoe 4.3L, V6, VIN W, Canada *
Fuel Pump
- replaced spider.fuel filter and fuel pump.fuel pump was the fix
Fuel Pump
North Lake Automotive
May 19, 2011
1997 GMC K1500, Sierra Special 5.7L, V8, Gas, Asp N, VIN R, 16V, USA *
Fuel Filter
Fuel Pump
- FUEL PUMP DRAINING BACK. REPLACED FUEL PUMP AND FILTER.
Fuel Filter, Fuel Pump
Leisure2
October 07, 2010
1997 Chevrolet S10, ZR2 4.3L, V6, Gas, Asp N, VIN X, 12V, OHV, FI, USA *
Fuel Filter
Fuel Pump
- TESTED FUEL PRESURE ONLY HAD 45 PSI NEEDS TO BE OVER 60 REPLACED PUMP AND FILTER NOW FUEL PRESURE IS OVER 60 PSI
Fuel Filter, Fuel Pump
CITYALIGNMENT1
August 06, 2007
1993 Chevrolet S10 Blazer, Tahoe 4.3L, V6, VIN W, Canada *
Fuel Filter
Fuel Pump
- fuel pump and filter fixed it.
Fuel Filter, Fuel Pump
Keith Gierisch
November 01, 2010
1993 Chevrolet S10 Blazer, Tahoe LT 4.3L, V6, VIN W, USA *
Battery Cable Terminal(s)
Battery Terminal Bolt
- fuel pressure was low while cranking due to low available voltage due to bad battery cable connection. replaced battery bolt, cleaned cable end, charged battery to 12.8v
__________________
I drive a hybrid, It burns gas and rubber..
Alcohol Tobacco & Firearms should be a convenience store, not a government agency.
|