Common questions

When does a 2001 Blazer start to bog down?

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When does a 2001 Blazer start to bog down?

I have a 2001 Blazer, last week as I was climbing a hill I attempted to accelerate and heard a “pop” and my engine started to bog down. Over this last week the bogging down has got progressively worse but only happens when you attempt to accelerate.

Why does my Chevy Blazer not go over 20 mph?

Won’t go over 20 mph. Starts right up. New plugs and wires. Never really cuts off. Runs hot but not extremely. Mass air flow is usually an intermitant problem. This sounds more like a stopped up catylist converter. take the cat off and run it, see if it gets hot, most likely that will be the problem]

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 kind of engine does a 2002 blazer have?

I have a 2002 Blazer 4×4…love the body style and its off road manners HATE the 4.3 v6 ! Want good ole v8 power. Was thinking of a 5.2 l v8 w the comp and wire harness for same… ?will the trans work (4l60)? different EFI systems? need the comp and forward ECM harness ?

Why does my car make a ticking noise when I start the engine?

This can be caused by ignition timing that is not properly set or fuel that is not properly vaporized. The best way to troubleshoot this condition is two-fold: If it’s an oiling issue, check the engine oil level. If it’s low, add oil until it is full and see if the ticking noise goes away.

What should I do if I hear lifter noise in my engine?

Start the engine and check for lifter tapping. Remove the engine’s valve covers and check for broken or bent components.

Why does my engine make a ticking noise?

A loose or damaged engine fan can also be the reason for engine ticking or tapping noise. A visual inspection is enough to find out the problem. Check the bolts and clips to see if they are loose. Also, you can tell if the fan blades or shroud on the radiator are damaged just by looking at them.

Why does my Buick Regal make a ticking noise?

You need to drain all the fuel, Low cylinder pressure means engine needs to come apart to fix it. 2001 buick regal gs just started making a ticking noise.weather outside is over 100 .Engine part closest to drivers seat started smoking.Have heard reports of engine fires with this model.

Why does my car make a knocking noise when I idle?

Loose torque converter-to-flywheel or flywheel-to-crankshaft bolts will sound similar to bearing knock. This condition produces several raps during quick acceleration on a free running engine. Depending on the idle smoothness, when the transaxle is in gear, the noise may or may not appear.

When does a loose camshaft make the loudest noise?

Loose or improperly seated camshaft timing gears are usually loudest when warm. They are speed sensitive only. They are not load sensitive. Cam gear noise will usually be evident at a warm idle in neutral and sounds much like a loose timing chain noise.

I have a 2001 Blazer, last week as I was climbing a hill I attempted to accelerate and heard a “pop” and my engine started to bog down. Over this last week the bogging down has got progressively worse but only happens when you attempt to accelerate.

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.

Won’t go over 20 mph. Starts right up. New plugs and wires. Never really cuts off. Runs hot but not extremely. Mass air flow is usually an intermitant problem. This sounds more like a stopped up catylist converter. take the cat off and run it, see if it gets hot, most likely that will be the problem]

Where is the po300 code on a Chevy Blazer?

Or PO300 (Random/Multiple Cylinder Misfire) code. Both of these problems have symptoms you’ve described. The first (Mass Air Flow) is located on the air breather intake (looks like a honey Comb). If not that code then your problem is most likely the cheap plastic distributor that GM installed for that year.

What causes a car to die while driving?

On deceleration, engine rpms may fall below normal idle speed and stall. When reaching a stop light, the engine may jerk and die. While driving, the engine may suddenly shut off. Is Your Check Engine Light On? If your check engine light (CEL) is on, that is your first place to start. Download diagnostic trouble codes from your computer.

What causes hesitation and surging on Blazer 4.3L?

Fix Hesitation and surging on Blazer 4.3L If you have Hesitation and surging on Blazer 4.3L and it’s driving like a dog—poor acceleration, hesitation, or a surge and you suspect a fuel problem, you may be partially right.

Why is my Blazer 4.3L driving like a dog?

If you have Hesitation and surging on Blazer 4.3L and it’s driving like a dog—poor acceleration, hesitation, or a surge and you suspect a fuel problem, you may be partially right. But before you start replacing really expensive components like the fuel pump, try this: Disconnect the electrical connector to the MAF sensor and take it for a drive.

What kind of engine does a Chevy Blazer have?

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.

What causes a GMC Jimmy 4.3 engine to die?

Gmc jimmy 4.3 will sometimes die while driving in highway when i let off the accelorater pedal. my 95 blazer when coming to a stop and braking it idles high and rough sounding and it sputters and will clink and clank as stoppung and almost dies no engine light on what could be causing this. Your engine may have a vacuum leak.

Why does my Chevy Impala bog down when I accelerate?

But if I try and mash the pedal the car bogs down. I can’t accelerate through it, but if I let off and drive normal it’s fine. It is definitely worse under load. If I’m in park and mash the pedal the engine will hesitate a little but will rev up. If I’m am driving and try it, the car will completely lose power and bog down.

Why does my car bog down when I accelerate?

Under normal accelerating, the car seems fine. But if I try and mash the pedal the car bogs down. I can’t accelerate through it, but if I let off and drive normal it’s fine.

Why does my Chevy Trailblazer not accelerate when I push the gas?

If your Chevy Trailblazer won’t accelerate, that is a serious cause for concern. There are a lot of different reasons that can cause this. Diagnosing the issue can be narrowed down by whether the engine is still revving when you push the gas or not.

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.

What should idle speed be on Chevy Blazer?

My first test would be with a vacume gauge. 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.

What should the RPM be on a Chevy Blazer?

In addition, anytime you hit the gas to accelerate the RPM gauge suddenly shoots up to 3.5 and shoots back down to 2, and keeps going up and down until you let off of the gas. My first test would be with a vacume gauge. If the vacume is good it should hold between 25 and 29 at idle.

What is the engine code on a Chevy Blazer?

Initially the code was p0171. Now that we cleared it it hasn’t come back on. Pulled O2 sensor to relieve back pressure and there was no change. Cleaned connections on battery. On scanner TPS checks good ( 0-100%).

Initially the code was p0171. Now that we cleared it it hasn’t come back on. Pulled O2 sensor to relieve back pressure and there was no change. Cleaned connections on battery. On scanner TPS checks good ( 0-100%).

How do I Turn Off my Chevrolet Blazer?

Dear bchee– You can’t. Your 2002 Chevrolet Blazer has daytime running lights and the car is programmed to turn them on whenever the car is turned on. The only way to turn this feature off is to have a dealer hook it up to his computer and disable the daytime running lights. Good luck from Bovan. 11 people found this helpful.

Can you turn off the daytime running lights on a 2002 Chevy Blazer?

Your 2002 Chevrolet Blazer has daytime running lights and the car is programmed to turn them on whenever the car is turned on. The only way to turn this feature off is to have a dealer hook it up to his computer and disable the daytime running lights. Good luck from Bovan. 11 people found this helpful.

In addition, anytime you hit the gas to accelerate the RPM gauge suddenly shoots up to 3.5 and shoots back down to 2, and keeps going up and down until you let off of the gas. My first test would be with a vacume gauge. If the vacume is good it should hold between 25 and 29 at idle.

Why does my Chevy Blazer misfire at 2500 rpm?

A visual inspection showed that new spark plugs, spark plug wires, ignition cap, and rotor have been installed. Further information from the customer indicated that the truck misfired the worse in drive, not overdrive, at light to normal cruise around 2000 rpm to 2500 rpm. The next test drive indicated that he was right and it was very repeatable.

Are there any problems with the Chevy 4.3 engine?

Once you have ruled out all the basics, you can go back to what the Chevy 4.3 engine is known for: bad idle air control valves and throttle control switches. This article was written by a professional writer, copy edited and fact checked through a multi-point auditing system, in efforts to ensure our readers only receive the best information.


Why is my Chevy Suburban bogging down on hard acceleration?

I have a 97 Suburban 5.7, 2wd. On hard acceleration it is bogging down like there is to much air, because sometimes it backfires. Or a plugged exhaust. I replaced the fuel pump-because it was bad in July.

Where is mass air flow located on Chevy Blazer?

The first (Mass Air Flow) is located on the air breather intake (looks like a honey Comb). 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.

What does it mean when your engine is bogging down?

This sounds like and electrical problem. If your engine is bogging down and you are still getting enough cool air from the A/Con system, then the A/C system will have a full charge of gas and will not need servicing. If this is the case, run the engine, with A/C on, at night and open the hood.

Why does my Chevy Cavalier stall every time I start it?

I thought at first it might have been the key, because the keys we had were cheap, badly made Wal-Mart copies so we had a locksmith make an exact replica from the manufacturer’s guide he had. What happens, is when the key is put in the ignition and I go to start the car, it clicks but that’s it. I do that twice, and the third time it starts.

What’s the problem with my Chevy Cavalier Rs?

I have a 91 Chevy Cavalier RS, 2.2 L. Recently, I’ve noticed an intermittent problem when starting the car (both cold start and warm start). I thought at first it might have been the key, because the keys we had were cheap, badly made Wal-Mart copies so we had a locksmith make an exact replica from the manufacturer’s guide he had.

Why is my car engine bogging under acceleration?

Airleaks can be caused by a bad seal in the engine, or in the intake/carburetor joints. You can sometimes track down an airleak by spraying carburetor cleaner on a suspect sealing/joint area and listening closely to see if the engine RPM’s change (sucking carb cleaner fumes into carburetor will also do this,…

What’s the gas mixture in my Chevy Cavalier?

We just bought new weather stripping for the front windows of the car and they were “discontinued” so we had to pay $75 for 2 pieces of rubber. but it starts great,new fuel filter, platium plugs 10,000 miles old, hook it up to a machine and is said air fuel mixture is at 14.6 when at idull, but get on the gas it’s drop to 12.2.

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.

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Ruth Doyle