Chevy Blazer and GMC Jimmy Questions

Questions like engine dies out, emissions, scan codes, and other related articles.

2000 blazer 4x4 lost power to drivetrain going down the highway. No noise it just stopped getting power to the wheels. Coasted to a stop. No gear does anything. Engine drops in rpm a little when putting it in gear but nothing happens. Seems to be freewheeling almost.

My 2002 blazer keeps dying on me when I am driving, and sitting at a light. The speedometer goes down, the battery light comes on. my mechanic said its nothing mechanical. I took it to a shop that does electrical work

Changed the bulbs on my plate lights and they still dont work. All my other lights work except my passenger turn signal blinks real fast. I would like to know how to fix this problem myself and what it is.

This has been driving me crazy. I have a 1994 Chevy S10 Blazer. When driving it will die when I turn left, and only left. What it does is this : when driving and I turn left while giving it gas it will always die.

Question: Why is my 1993 Chevy Blazer S 10 4.3 v6 hard starting when cool/cold? I have changed the oxygen sensor, coolant temp. sensor, cleaned injector, checked fuel pump psi.

2001 Chevy Blazer Engine Size : 4.3 V6 Vortec.

Question: whats wrong when my truck shuts off when Im making a complete stop? What signs can I look for a bad alternator? I know the battery light can be on, but I want to know what else?

1997 GMC Jimmy Vortec v6. Question: when i give gas it has no speed increase, loud and jerks.

Answer: By what you describe, this does not sound like a transmission problem, unless the engine is revving up fine but the truck is not moving. It sounds like the engine is either running very bad or has a bad misfire. Misfires or an engine with no power can be caused by a lot of things.

92 Chevy S10 4.3L vortec ,lealing gas from drivers side exhaust manifold. I have replaced the spider injector w/the hose`s and the feed and return lines leading to the spider injector and it still leaks gas bad.

1989 S-10 Blazer 4.3L. Question: After a 10 mile drive the front rotors are burning hot. The left side is worse than the right. The calipers, pads, rotors, and rubber hose are relatively new (previous owner). I took apart the left side and the caliper easily moves out

1994 Chevy S10 Blazer 4 door 4x4. 4.3L Vortec. Question: Hello, I have been having a lot of trouble with my Chevrolet Blazer and i desperately need some help i have 3 questions that i hope you can help me with:
1. I replaced the fuel pump and now my gauge always reads full.
2. Replaced plugs and wires but engine still feels like it is chugging.
3. Getting very bad gas mileage, put 25.00 worth of fuel in and the truck died after 17L/49 km
Please Help!!!

2003 GMC Jimmy. v6 Vortec 4.3 liters. Question: I've owned the Jimmy for about three years, haven't had to do a tune up yet. I would like to know what i need to get it done. I have no major complaints to report. Being used to owning old vehicles that needed tuned at least once a year, kinda got spoiled with this GMC truck.

2002 Chevy blazer 2 door 4wheel drive. V6 Vortec 4.3litre.

Question: Hi there i just had the fuel pump replaced and fuel filter and coil wire they say they replaced and checked codes, it starts which is good cause the fuel pump just finally died. Once i have it started it may run a for a few minute or less and when i start going somewhere it still doing the hesitation.

2000 Chevy blazer (s-10) 4 by 4. Engine Size : 4.3 Vortec.
I have an idle problem. When I first start the car, the idle only goes to 800 rpm. After it warms up, as I am driving and approaching a stop, the car idles at 1100rpm. After coming to a complete stop, it stays there for two to three seconds, then goes to 600rpm.

I have a 1999 GMC Jimmy and the fuel gauge is not working it stays on E the vehicle will not start, I did replace the fuel pump thinking that was the problem and the gas gauge is still not working and neither is the vehicle turning on, what is wrong with my vehicle what should the next procedure be?

1996 Chevy Blazer. 6 cylinder engine.
While driving on the highway my Chevrolet Blazers engine just shut off. I pull over, wait a minute, then start the engine and continue down the highway again. A minute later the engine shuts off again. This happens 7 or 8 times. Everything is fine for a week then it did it again. Why is the engine shutting off?

2000 Chev Blazer 4wd 4.3 engine GM Computer code P0446.
In last 30 days have replaced all solenoids in transmission, fuel press Reg. 2 oxygen sensors, PCM module and ignition cable in steering column at GM dealership in Houston.

Problem with my 2001 Chevy Blazer 4.3. Check Engine code P0446. Changed a vent valve on intake, but did not fix issue.
I had the trouble code pulled from my blazer which was P0446, before i tried to attempt to fix this issue i was out and needed fuel, but when i went to put fuel in the blazer i started to pump the fuel into the tank and the pump would only stay on for about 3 to 5 seconds and shut off.

1994 S-10 blazer 4dr 4wd 4.3 Vortex V6. Replaced dash cluster about a year ago with a bone yard part. Check fuses.
Work done to repair this problem = smacked the dash fairly hard with my hand. Found your web site after multiple searches and all other web sites wanting money, pretty much up front. The digital dash cluster is flaking out. the gauge portion of the cluster (gas, tach, oil press, temp)

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How Things Work

Positive Crankcase Ventilation - PCV Valve System

A crankcase ventilation system is used to consume crankcase vapors in the combustion process instead of venting them to atmosphere. Fresh air from the throttle body is supplied to the crankcase, mixed with blow by gases and then passed through a PCV valve into the intake manifold.


Common Engine Codes

Electronic Throttle Actuator Control Codes

P0506 - P0507
The Electronic Throttle Control (ETC) System uses various inputs from the powertrain control module (PCM). This system uses the inputs to control the idle speed through serial data circuits to the throttle actuator control (TAC) module.