What is the fuel system on a 1997 Chevy Blazer?
What is the fuel system on a 1997 Chevy Blazer?
The fuel system in your 1997 Chevy S-10 Blazer consists of an in-tank fuel pump, fuel injectors and an on-board computer. By isolating each component and testing separately from the other parts, the cause of failures can easily be found.
When did Vortec start using CSFI fuel injection?
The system was used on 4.3L V6 Vortec engines through 1995, and was redesigned in 1996 and renamed “Central Sequential Fuel Injection” (CSFI). The system was also added to 5.0L and 5.7L Vortec V8 engines.
How does the fuel injector work on a Chevy truck?
Instead of spraying fuel directly into the manifold like a throttle-body injector, the MAXI injector routes fuel into six nylon fuel lines that have poppet-style spray nozzles on the end. When the pressure inside the lines reaches the opening pressure of the poppet valves (43 psi), fuel sprays out of the nozzles into the engine’s intake ports.
Where is the Maxi injector on a Chevy truck?
The MAXI injector is mounted in the center of the intake manifold on the 4.3L engine, and is hidden inside the split plenum manifold. Instead of spraying fuel directly into the manifold like a throttle-body injector, the MAXI injector routes fuel into six nylon fuel lines that have poppet-style spray nozzles on the end.
Instead of spraying fuel directly into the manifold like a throttle-body injector, the MAXI injector routes fuel into six nylon fuel lines that have poppet-style spray nozzles on the end. When the pressure inside the lines reaches the opening pressure of the poppet valves (43 psi), fuel sprays out of the nozzles into the engine’s intake ports.
The system was used on 4.3L V6 Vortec engines through 1995, and was redesigned in 1996 and renamed “Central Sequential Fuel Injection” (CSFI). The system was also added to 5.0L and 5.7L Vortec V8 engines.
Why is my Check Engine light on after installing fuel injection?
Most of the problems encountered while installing your fuel injection system or after a time of operation are very simple. If your check engine light is on you more than likely have a hard fault meaning something is grounded out, unplugged, operating out of range or has gone bad.
Why is my TBI fuel injection light on?
Troubleshooting your TBI Fuel Injection System Most of the problems encountered while installing your fuel injection system or after a time of operation are very simple. If your check engine light is on you more than likely have a hard fault meaning something is grounded out, unplugged, operating out of range or has gone bad.
Do you have to put gas in the throttle body?
My 97 s10 will run great but you have to put gas in the throttle body for it to start.It will turn over but needs the direct contact of gas. There is also this ticking noise that is only heard when you role the key over.
Why does my fuel pump not turn on?
Well getting to start by adding fuel to the throttle body is not going to turn on some special switch that will send a signal to the pump and injectors. I’m sure you probably just have a bad fuel pump that doesn’t have enough pressure or volume to start the truck, but at running speed can keep up.
Why does my Chevy S-10 not start up?
Once the truck starts and is running you can remove the jumper to the fuel pump and it will continue to run. The only thing i can think of is that you are not getting the priming signal to the fuel pump, that the ECM if faulty. It turns over fine.
The fuel system in your 1997 Chevy S-10 Blazer consists of an in-tank fuel pump, fuel injectors and an on-board computer. By isolating each component and testing separately from the other parts, the cause of failures can easily be found.
Why is the fuel pump and relay not working?
The ignition circuit, which includes the ignition switch, controls power to many components, including the fuel pump and relay. If there is an issue with the switch or the circuit, perhaps a wiring problem, then power to the fuel system may be cut off.
Is there no power to the fuel pump?
No power to the fuel pump and the fuel relay is not getti… Q: No power to the fuel pump and the fuel relay is not getting power. My car has 190000 miles.
How to troubleshoot the fuel systems of 1997 S-10 Chevy?
Locate the fuel pressure test port on the fuel rail that supplies fuel to the injectors. Remove the black plastic dust cap from the test port. Screw the fuel pressure tester onto the test port. Cycle the ignition key from the “Off” position to the “Run” position then back to the “Off” position three times.
When was the second generation Chevy Blazer Made?
In this article, we consider the second-generation Chevrolet Blazer, produced from 1995 to 2005.
What are the Illuminations on a Chevy Blazer?
Cluster Illumination, Radio Illumination, Heater Lamp, Four-Wheel-Drive Illumination, Chime Module, Fog Lamp Illumination, Rear Wiper Switch, Rear Defog Switch Illumination, Liftglass Release Switch Illumination, Overhead Console Illumination
What is the fuse box on a Chevy Blazer?
A/C Compressor Relay, Cluster Chime Module, DRL Relay Coil, Four-Wheel-Drive Indicator Lamp, DRL Module, Rear Defog Timer, Transfer Case Control Module Ignition, SIR Redundant Ignition \ RKE Ignition, fuel Sender
A/C Compressor Relay, Cluster Chime Module, DRL Relay Coil, Four-Wheel-Drive Indicator Lamp, DRL Module, Rear Defog Timer, Transfer Case Control Module Ignition, SIR Redundant Ignition \\ RKE Ignition, fuel Sender
When to replace the fuel pump on a Chevy Blazer?
If you notice your Blazer’s fuel economy suddenly changing, or if it jolts when you accelerate, then you might need to replace your Chevrolet Blazer fuel pump with a durable upgrade from AutoZone.
Cluster Illumination, Radio Illumination, Heater Lamp, Four-Wheel-Drive Illumination, Chime Module, Fog Lamp Illumination, Rear Wiper Switch, Rear Defog Switch Illumination, Liftglass Release Switch Illumination, Overhead Console Illumination
How to find a Chevy Blazer near me?
No exact matches found For better results, try removing filters, or using the sorting menu. Includes $5,234 in cash and discounts. WINDY CHEVROLET INC. Includes $5,014 in cash and discounts. Includes $4,327 in cash and discounts. Includes $3,948 in cash and discounts. Includes $4,325 in cash and discounts. Includes $4,514 in cash and discounts.
Why does my Chevy Blazer engine bog down when I hit the gas?
Take it to a good local mechanic (not a dealer) and see if this is one problem. My Blazer bogs down when you hit the gas and has trouble starting. We have replaced the MAF sensor, plugs, rotor, cap, plug wires, and fuel filter. The fuel pressure is at 50psi when idling and 64 wot when driving.
Why does my Chevy Blazer have no power?
If not that code then your problem is most likely the cheap plastic distributor that GM installed for that year. Take off that expensive cap and see if the shaft jiggles. It is better to remove the distributor to inspect it. AutoZone sells a lifetime warranted Distributor for about $90.
What’s the fuel pressure on a Chevy Blazer?
My Blazer bogs down when you hit the gas and has trouble starting. We have replaced the MAF sensor, plugs, rotor, cap, plug wires, and fuel filter. The fuel pressure is at 50psi when idling and 64 wot when driving. Can we have pressure without flow? Initially the code was p0171. Now that we cleared it it hasn’t come back on.
Why does my 96 Chevy Express van not start?
Also had a similar issue spin and no start with a 96 Chevy Express Van with the 5.7L. This vehicles issue turned out to be a shorted pink wire in the wiring harness that runs up the passenger side of the block. The vehicle had died while driving several times and wouldn’t start. Then, finally after blowing a couple fuses, would start at all.
Why does my Chevy C / K 1500 not start?
FYI – If the pass lock isn’t working properly, the computer will not keep the fuel pump on when the key is turned to start and released. 72 people found this helpful. Note: If the battery dies or is disconnected, or the computer is disconnected, this procedure may have to be repeated.
Why does the fuel pump keep burning out?
The Spider injector system started in 96. 95 and back had the old low pressure tbi. No 96 1500 had tbi 28 people found this helpful. Why do the fuel pump keep burning out so quick?
What are the symptoms of a bad fuel pump?
Symptoms Of A Bad Fuel Pump. Where To Buy The Fuel Pump And Save. TEST 1: Using Starting Fluid. TEST 2: Fuel Pressure Test With Gauge. Which And Where To Buy A Fuel Pressure Gauge. More GM 4.3L, 5.0L, 5.7L Tutorials. You can find this tutorial in Spanish here: Cómo Verificar La Bomba de Combustible en Los Sistemas TBI (at: autotecnico-online.com ).
How to test the fuel pump on GM TBI fuel systems?
One method involves removing the fuel filter and using an adapter, that has a Schrader valve on it, in its place. You then connect your fuel pressure test gauge to this adapter. The other method is to use an adapter between the throttle body assembly and the pressure line.
How can I check the pressure of my fuel pump?
There are two ways to tap into the fuel line to see how much pressure the fuel pump in producing. One method involves removing the fuel filter and using an adapter, that has a Schrader valve on it, in its place. You then connect your fuel pressure test gauge to this adapter.
How much does a fuel pump cost for a Chevy Blazer?
The best part is, our Chevrolet Blazer Fuel Pump products start from as little as $19.99. When it comes to your Chevrolet Blazer, you want parts and products from only trusted brands. Here at Advance Auto Parts, we work with only top reliable Fuel Pump product and part brands so you can shop with complete confidence.
What do GM genuine parts fuel pump assemblies do?
GM Genuine Parts Fuel Pump Module Assemblies are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These module assemblies help deliver fuel to your vehicle’s fuel injectors, providing a steady, reliable fuel supply to your vehicle’s engine.
When do you need a S10 fuel pump?
If you notice sudden jolting on acceleration, fuel economy changes or ignition failure, there’s a good chance you need a new Chevrolet S10 fuel pump from AutoZone. Since S10 fuel pumps provide the engine with a steady supply of fuel on demand when you accelerate, they start to affect vehicle performance quickly when something goes wrong.
Locate the fuel pressure test port on the fuel rail that supplies fuel to the injectors. Remove the black plastic dust cap from the test port. Screw the fuel pressure tester onto the test port. Cycle the ignition key from the “Off” position to the “Run” position then back to the “Off” position three times.
Without gas your S10 will not run at all. With that in mind, most of the symptoms of a bad fuel pump revolve around the vehicle stalling out or not running at all. In modern fuel injected vehicles, the fuel pump sits right in the fuel tank and “pushes” the gasoline to the fuel rail (s).
If you notice sudden jolting on acceleration, fuel economy changes or ignition failure, there’s a good chance you need a new Chevrolet S10 fuel pump from AutoZone. Since S10 fuel pumps provide the engine with a steady supply of fuel on demand when you accelerate, they start to affect vehicle performance quickly when something goes wrong.
What is the fuel pressure in a CSFI system?
Fuel pressure in the CSFI system is a bit higher than the CPI system (60 to 66 psi with key on engine off), and the regulator maintains the operating pressure at 55 to 57 psi. The poppet valves in the spray nozzles also open at a slightly lower pressure (about 40 psi). The injectors fire just before each intake valve opens.
When to replace the CSFI fuel injector assembly?
The CSFI does use a MAF sensor and the plenum is plastic and was used from 1996 on up on the 4.3L, 5.0L and 5.7L engines. Also, when anything fails in the CPI type system, you have to replace the entire fuel injector assembly. In the CSFI system, all parts can be replaced individually.
What should I do about my Chevy Blazer fuel injector?
If your reading this then like I did you have been searching the web and under the hood of you GMC Jimmy, S10, Astrovan, Or Chevy Blazer trying to figure out what to do about that crazy injection system in your truck. Well you have a few choices 1. Buy a new spider set for a small fortune.
The CSFI does use a MAF sensor and the plenum is plastic and was used from 1996 on up on the 4.3L, 5.0L and 5.7L engines. Also, when anything fails in the CPI type system, you have to replace the entire fuel injector assembly. In the CSFI system, all parts can be replaced individually.
Fuel pressure in the CSFI system is a bit higher than the CPI system (60 to 66 psi with key on engine off), and the regulator maintains the operating pressure at 55 to 57 psi. The poppet valves in the spray nozzles also open at a slightly lower pressure (about 40 psi). The injectors fire just before each intake valve opens.
Are there any problems with the Chevy 4.3 Vortec engine?
The 4.3 Vortec engines made from 1996-2002 (L35 and LF6) have been reported to have engine knock problems. In a properly functioning engine, fuel burns in even pockets instead of all at once. The pockets burn in even timing, in sync with engine cycles. Engine knock occurs when the fuel burns unevenly and out of sync with the engine cycles.
What was the first year of the Chevrolet TrailBlazer?
The TrailBlazer name was first introduced for the 1999 model year as an upscale trim level of the compact 4-door Chevrolet S-10 Blazer. It offered additional features on top of the previously top-of-the-line Chevrolet S-10 Blazer LT trim level, including an A/M-F/M stereo with single-disc CD player…
What causes a Chevy Vortec distributor to not turn?
The cap is prone to warping from the heat, which results in the cap rubbing against the distributor rotor button. This causes the rotor bushing to wear out and the distributor begins to no longer be able to turn. The simplest option here to fix this problem is upgrading to a distributor that has an aluminum housing on it.
The 4.3 Vortec engines made from 1996-2002 (L35 and LF6) have been reported to have engine knock problems. In a properly functioning engine, fuel burns in even pockets instead of all at once. The pockets burn in even timing, in sync with engine cycles. Engine knock occurs when the fuel burns unevenly and out of sync with the engine cycles.
What does Vortec stand for in Chevy engine?
The term “vortec” is simply a marketing name used by Chevrolet to communicate its use of “vortex technology”. Chevy’s vortex technology creates an air vortex inside the engine, which results in better air-to-fuel efficiency.
The cap is prone to warping from the heat, which results in the cap rubbing against the distributor rotor button. This causes the rotor bushing to wear out and the distributor begins to no longer be able to turn. The simplest option here to fix this problem is upgrading to a distributor that has an aluminum housing on it.
Where is the idle control valve on a Chevy Vortec?
The idle control valve sits on the throttle body and is responsible for adjusting the amount of air that enters the engine at idle, ultimately controlling engine idle speeds. At idle, the valve blocks a small amount of air from entering the engine, keeping idle RPM’s low.
