Why is my Chevy Blazer stalling and stalling?

Check/clean EGR. This does have the newer style injection so could be fuel pump heats up and pressure drops – have to test at test port. Coil could be failing due to overheating due to ignition module never shutting off so always a low voltage to it.

What kind of problems does a Chevy Blazer have?

I have a 1974 Blazer with a 305 in it, I just replaced spark plugs, cap, rotor, wires, fuel filter, some hoses and PCV valve. It starts up strong, runs fine for a bit – drive it around the neighborhood – then once I come to a stop it basically dies on me, sometimes it will start right back up again – sometimes it will just crank and crank.

How does the fuel system work on a Chevy Blazer?

Fuel system has a test port on the metal line that requires a special valve to connect and then ckeck the pressure. 60psi min with key on engine off (start pressure) and 54psi running. If those check out then on to electrical/sensors/etc. Any SES light on and codes?

What to do when your Chevy Blazer wont start?

Aby codes (SES light on) and if so post them. No codes come up until after it happens then it comes up oxygen sensers port 1 and port 2. You can step on the gas and the engine just bogs it has absolutely no power . Put the car in neutral ( while still moving ) count to 3 and restart and have all the power you want.

Why does my 1996 Blazer not start up?

Installed aftermarket stereo in my 1996 blazer. Now the speedometer tach dosent work and tranny dosent shift out of first VBulletinNew fuel pump started but then died won’t start back up 2000 4 door 4wheel drive Gear box Crankcase Oil leak Buzzing Jerking/Hesitation Stalls

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.

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 Chevy Blazer have raw gas smell?

If the vacume is good it should hold between 25 and 29 at idle. May be a little low cause of the rough idle, but what your looking for Is for it to drop slowly to well below specs. This checks the catalyst converter it could be clogged. I’m new to forums, but I need help. Every step u said about maf and raw gas smell is true about my blazer.

Why does my car stall at highway speeds?

The engine may start and idle fine, but run out of power or even stall at highway speeds. If the engine starts right back up after stalling, the likely cause is low fuel volume delivery because of a weak pump. If the engine is running normally one minute, but suddenly quits, loss of ignition may be the problem.

What causes a Chevy 4.3 engine to stall?

Lack of oil will cause a knocking sound in the engine, stalling, poor acceleration and eventually engine break down. Lack of transmission fluid, battery fluids, radiator and cooling system fluids can all cause symptoms that mimic bad idle air control valves and throttle control switches.

Why does my Chevy Trailblazer keep stalling out?

If your Chevy Trailblazer’s engine timing is off, it’s going to stall out, misfire, and altogether not run properly. Here are some of the more common causes of an engine timing problem:

How can I tell if my car is stalling?

Would need to have a fuel pressure gauge on the engine and watch to see if it drops as it stalls, and if it it is low when trying to restart- and it won’t. Pressure needs to be at least 55 PSI. You can also try tapping on the ignition switch to see if you can cause it to stall.

Why does my truck stall when I make a left turn?

Messages: 97. If it’s stalling due to the additional load applied by power steering at idle (foot off accelerator) then the engines idle control system could be at fault. Also with the heater changing this could be a vacuum problem.

Why does my 93 K5 Blazer not start?

My 93 k5 blazer 5.7 will start and run fine when the engine is cold. After it warms up it dies. Try to start it again and it sounds like it tries to start then the starter will bog and sometimes it turns over fine but just won’t start until it cools down. I found broken ground wire.

Why does my Chevy Blazer have no power?

No codes come up until after it happens then it comes up oxygen sensers port 1 and port 2. You can step on the gas and the engine just bogs it has absolutely no power . Put the car in neutral ( while still moving ) count to 3 and restart and have all the power you want. Tried Hi test gas , fuel additives, still happens!

Why is my Chevy Blazer stalling and stalling?