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2000 chevy blazer, stumbles when trying to accelerate, fuel pump and catalytic converter have been replaced, including wires,cap, and plugs.

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Check the mass air flow sensor.

Posted on Jan 03, 2010

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1 Answer

My 2000 blazer runs rough after warming up


Any trouble codes stored in the computer other than the catalytic converter ?
Anybody check base fuel pressure ?

Jul 07, 2013 | Cars & Trucks

2 Answers

Having missfires at 4 an 6


A P0304 and/or P0306 code means that the the car's computer has detected that one of the engine's cylinders is not firing properly. In this case it's cylinder #4 and/or #6.

Symptoms may include:
* the engine may be harder to start
* the engine may stumble / stumble, and/or hesitate
* other symptoms may also be present

Causes: A code may mean that one or more of the following has happened:
* Faulty spark plug or wire
* Faulty coil (pack)
* Faulty oxygen sensor(s)
* Faulty fuel injector
* Burned exhaust valve
* Faulty catalytic converter(s)
* Running out of fuel
* Poor compression
* Defective computer

Possible Solutions:
* If there are no symptoms, the simplest thing to do is to reset the code and see if it comes back.
* If there are symptoms such as the engine is stumbling or hesitating, check all wiring and connectors that lead to the cylinders (i.e. spark plugs). Depending on how long the ignition components have been in the car, it may be a good idea to replace them as part of your regular maintenance schedule. I would suggest spark plugs, spark plug wires, distributor cap, and rotor (if applicable). Otherwise, check the coils (a.k.a. coil packs). In some cases, the catalytic converter has gone bad. If you smell rotten eggs in the exhaust, your cat converter needs to be replaced. I've also heard in other cases the problems were faulty fuel injectors.


Hope helps.

Feb 28, 2011 | 2000 Cadillac DeVille

1 Answer

Okay, have a 2000 ford taurus, took it to auto zone and the code he got is P0302,,


P0302 code means that the the car's computer has detected that one of the engine's cylinders is not firing properly. In this case it's cylinder #2. SymptomsSymptoms may include:
  • the engine may be harder to start
  • the engine may stumble / stumble, and/or hesitate
  • other symptoms may also be present
Causes

A code P0302 may mean that one or more of the following has happened:

  • Faulty spark plug or wire
  • Faulty coil (pack)
  • Faulty oxygen sensor(s)
  • Faulty fuel injector
  • Burned exhaust valve
  • Faulty catalytic converter(s)
  • Running out of fuel
  • Poor compression
  • Defective computer
Possible Solutions

If there are no symptoms, the simplest thing to do is to reset the code and see if it comes back.

If there are symptoms such as the engine is stumbling or hesitating, check all wiring and connectors that lead to the cylinders (i.e. spark plugs). Depending on how long the ignition components have been in the car, it may be a good idea to replace them as part of your regular maintenance schedule. I would suggest spark plugs, spark plug wires, distributor cap, and rotor (if applicable). Otherwise, check the coils (a.k.a. coil packs). In some cases, the catalytic converter has gone bad. If you smell rotten eggs in the exhaust, your cat converter needs to be replaced. I've also heard in other cases the problems were faulty fuel injectors.

Dec 10, 2010 | Ford Taurus Cars & Trucks

1 Answer

I keep getting a coed of # 8 cylender missfire I have replace spark plugs wires and distributer cap ???


SymptomsSymptoms may include:
  • the engine may be harder to start
  • the engine may stumble / stumble, and/or hesitate
  • other symptoms may also be present
Causes can mean that one or more of the following has happened:
  • Faulty spark plug or wire
  • Faulty coil (pack)
  • Faulty oxygen sensor(s)
  • Faulty fuel injector
  • Burned exhaust valve
  • Faulty catalytic converter(s)
  • Running out of fuel
  • Poor compression
  • Defective computer
Possible Solutions If there are no symptoms, the simplest thing to do is to reset the code and see if it comes back.
If there are symptoms such as the engine is stumbling or hesitating, check all wiring and connectors that lead to the cylinders (i.e. spark plugs). Depending on how long the ignition components have been in the car, it may be a good idea to replace them as part of your regular maintenance schedule. I would suggest spark plugs, spark plug wires, distributor cap, and rotor (if applicable). Otherwise, check the coils (a.k.a. coil packs). In some cases, the catalytic converter has gone bad. If you smell rotten eggs in the exhaust, your cat converter needs to be replaced. I've also heard in other cases the problems were faulty fuel injectors.

Jul 13, 2010 | 1998 Dodge Ram 1500 4WD

4 Answers

2004 Chevy Blazer. Poor acceleration, limited rpm. Code p0101


Check your catalytic converter, good chance that it has broken apart and is blocking exhaust flow. Common Chevy 4.3L Issue.

Mar 16, 2010 | 2004 Chevrolet Blazer

2 Answers

Code 0303 2000 ford f150 5.4L


What does that mean?
A P0303 code means that the car's computer has detected that one of the engine's cylinders is not firing properly. In this case it's cylinder #3.
Symptoms may include:
· the engine may be harder to start
· the engine may stumble / stumble, and/or hesitate
· other symptoms may also be present
Causes:
A code P0303 may mean that one or more of the following has happened:
· Faulty spark plug or wire
· Faulty coil (pack)
· Faulty oxygen sensor(s)
· Faulty fuel injector
· Burned exhaust valve
· Faulty catalytic converter(s)
· Running out of fuel
· Poor compression
· Defective computer
Possible Solutions:
If there are no symptoms, the simplest thing to do is to reset the code and see if it comes back.If there are symptoms such as the engine is stumbling or hesitating, check all wiring and connectors that lead to the cylinders (i.e. spark plugs). Depending on how long the ignition components have been in the car, it may be a good idea to replace them as part of your regular maintenance schedule. I would suggest sparkplugs, spark plug wires, distributor cap and rotor (if applicable). Otherwise, check the coils (a.k.a. coil packs). In some cases, the catalytic converter has gone bad. If you smell rotten eggs in the exhaust, your cat converter needs to be replaced. I've also heard in other cases the problems were faulty fuel injectors.

Jan 02, 2010 | 2003 Ford F150 Regular Cab

2 Answers

No power in 1st or 5th; spits, pops and sputters


Possible EGR Valve sticking open cause unmetered air leak

Jun 20, 2009 | 2001 Chevrolet Blazer

1 Answer

I have a 2000 Chevy Blazer I have replaced


maf sensor, tps sensor,or timing gear

Apr 16, 2009 | 2000 Chevrolet Blazer

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