Question about 1995 Chevrolet Blazer

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I have a 96 s10 blazer.4.3 motor, I just replaced the fuel pump, i can feel the relay kick on and off i get fuel up to the test point on the back of the block,, if i pour gas right it the top of the motor it will run till that gas is gone... Please Help

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Do a fuel pressure test and an injector signal test

Posted on Aug 24, 2010

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Posted on Jan 02, 2017

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My step son has a 96 S10 he replaced the pump a week ago, drove fine. after parking at the store it's popping fuses right and left? Anyhelp as always will be appreciated thanks Dave


Start looking for a short to ground. Check by noise (popping, sizzling), sight, (sparking) and feel-( a shorted wire may feel hot).
Check the engine compartment, especially around hot exhaust parts, under the car (see any loose wires?), and under the dash-listen and look.
You will need to identify the fuses, so as to know which circuit to check-or circuits if multiple fuses. Figure out what is common to all the blown fuses. Maybe the previous work of replacing the pump got some wires snagged or mashed and causing the shorts.

Jul 04, 2017 | Cars & Trucks

1 Answer

87 s10 Blazer 2.8 4×4 cranks but won't start fuel pump is not getting power unless hotwired Replaced fuel pump,fuel relay,ECM, distributor,ignition and new battery.


with replacing all those components did you test and check how far your power goes --need to check and test components [new doesnt mean free from defects ] and also test fuses ,fuse, panel, harness and connections

Jun 04, 2017 | Cars & Trucks

1 Answer

I have a 96 Chevy Blazer 4 door I've change the ignition switch starter all that good old stuff if I turn the key and jumper by the starter it will run I have liked it just no crank no start


1989 Chevy blazer 4.3 won't start..I have ... - CarGurus

www.cargurus.com > Questions > Chevrolet > BlazerCarGurusJan 30, 2013 - 96 Chevy S10 Blazer with 4.3 L engine vortex will turn over but won'tstart. ... i a 93 k5 blazer 5.7tbi in cold weather it will not start, if i hook jumper ... was told it just needed a Fuel pump, I replaced the Fuel pump, and the Filter, ...

Oct 12, 2015 | Cars & Trucks

1 Answer

1996 chevrolet s10 pickup truck


you have drain fuel tank then remove fuel tank to remove and replace fuel pump.fuel pump relay location under the hood on passenger side back next to shock tower.

Nov 10, 2011 | 1996 Chevrolet Blazer

2 Answers

1989 Chevy S10 Blazer won't start unless I pour fuel in the TBI.


Fuel pressure regulator. It regulates the fuel pressure you receive going to the injectors. All the injectors would not be bad, so you have to take a step back to the next component, which should be the regulator.

May 03, 2010 | 1989 Chevrolet S-10 Blazer

1 Answer

1994 S10 Blazer Tahoe starting problems


Well, obviously someone didn't tell you the truth because spraying into intake doesn't make the vehicle turn over any better. You have ignition or fuel delivery problem. Start by taking fuel line off at intake and crank engine a couple times catching any gas in a cup or something. If none, then trace fuel line back and under vehicle til you find filter. Should be under driverside midway back on inside of frame. Change this and try test again. If no gas, see if fuel pump is on motor(mechanical pump). Change this and test again. If not on motor then it's in gas tank(electric pump). Most cases the tank has to be lowered to take out pump, careful not to drop, dent or make sparks. Some came with access through the floor so check that first. Normally you can hear an electric pump come on when you turn the key. Good Luck

Jun 30, 2009 | 1994 Chevrolet S-10 Blazer

1 Answer

Fuel pump relay gets hot on a 1995 s10 blazer


Most likely a bad connector on relay or the fuel sock needs to be replaced. if the sock is plugged it would cause the fuel pump to work hard and cause it to heat the relay and make it hot and removing it will cause it not to run. check the connectors to the relay see if they are opened up in the female socket if they are use a dental pick to close them up with. otherwise replace fuel pump and sock at that age with the alcohol in fuel it's killed the pump and sock.

Jun 13, 2009 | 1997 Chevrolet Blazer

3 Answers

My 1996 s10 blazer wont start it has new fuel pump and has spark. I changed the spider but still wont start


Like Kristisamp Said check the Fuel pump relays, they are little black box shaped fuses in the glove box, there are 3 of them, I think there may be a cover over them so you can see it......
Take the cover off and there you go......
I have a 96 blazer 2 door that had the same problem, I repalced thes relays and Bam!!! fired right up........

Jan 07, 2009 | 1996 Chevrolet Blazer

1 Answer

1991 chevy s10 blazer


Check the fuse under the dash. Did you replace the inline fuel filter? If not, you could loosen the line going into the filter then turn the key to the on position. The pump should run for about 2 seconds then the relay should kick off. Turn off the key for approx. 5 seconds then cycle key back on and the pump should cycle again. If you get a 2 second burst of fuel each time then the pump is cycling. Install a new fuel filter and check the grounded wire by the tank. Hope this helps. :)

Nov 03, 2008 | 1993 Chevrolet S-10 Blazer

1 Answer

Engine size


Okay,
I love the 4.3L I have a tricked out 2000 S10 with that motor and its awesome(a few aftermarket bolt ons and those motors really scream!), I have also had an 89 Jimmy and 96 S10 with that motor so your in luck as I I know it inside and out.

The fuel pump is always a pain on trucks becasue you have to remove the tank to gain access. The pump is bolted in on the top side of the tank. I hope it doesn't have a full tank of gas as it needs to be drained(re-use when job is complete). Not to mention pulling a tank that's full of gas very heavy.
See this link for an overview:

http://www.autozone.com/shopping/repairGuide.htm?pageId=0900c1528008f213

Here's how you test the fuel pump relay, and fuel pump:

  1. Turn the ignition OFF.
  2. Remove the relay.
  3. Locate the two terminals on the relay, which are connected to the coil windings. Check the relay coil for continuity. Connect the common meter lead to terminal 85 and positive meter lead to terminal 86. There should be continuity. If not, replace the relay.
Fuel Pump
  1. Turn the ignition key OFF for ten seconds.
  2. Turn the ignition key to the ON position but do not start the engine.
  3. You should here the fuel pump operate for two seconds (a light electrical humming sound).
  4. Apply a 12 volt fused jumper wire to the fuel pump prime (test) connector. This should be located in the driver's side of the engine compartment. The fuel pump should operate.
  5. If the fuel pump does operate, remove and test the relay. If the relay is defective, replace the relay and repeat the test.
  6. If the relay is operating properly, connect a grounded test light to the fuel pump relay control wire (green with white stripe) at the relay. Turn the ignition switch to the ON position. The test light should illuminate for two seconds and go out. If the test light does not illuminate, check the relay control wire for continuity and repair as necessary, then repeat the test.
  7. Connect a grounded test light to the feed wire (orange) at the relay and turn the ignition key ON. The test light should illuminate. If the light does not illuminate, test feed wire for continuity and the fuse in the underhood fuse relay center. Repair as necessary and repeat the test.
  8. If the fuel pump is still not functioning, connect a fused jumper wire between the feed (orange) wire and the fuel pump motor (gray) wire at the relay. The pump should operate.
  9. If the pump does not operate, check the fuel pump motor wire for continuity and repair as necessary.
  10. If the pump will still not operate, replace the pump.
  11. If the pump does operate, start the vehicle and remove the relay. The vehicle should continue to run. If the vehicle stalls, check the fuel pump/oil pressure switch and its wiring. Repair as necessary and repeat the test.
Also see figure 4 which is digram 3 from this link, this is the schematic on the fuel pump, the fuel pump's hot wire is tan with a white stripe, if you can test the voltage of this wire you can confirm it is not an electrical problem.

http://www.autozone.com/shopping/repairGuide.htm?pageId=0900c1528008f3ce

Also be sure to releive the fuel pressure before servicing

  1. Disconnect the negative battery cable.
  2. Loosen the fuel filler cap to relieve fuel tank pressure.
  3. Connect fuel pressure gauge J-34730-1A or its equivalent to the pressure connection. Wrap a shop towel around the fitting while connecting the gauge to prevent spillage.
  4. Install the bleed hose into an approved container and open the valve to bleed the system. The system is now safe for servicing.
  5. Drain any fuel remaining in the gauge into an approved container.
Let me know if any of this is jibberish to you and I can clarify further.

Good Luck again, and feel free to ask anymore questions.

Jul 02, 2008 | 1997 Chevrolet K1500

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