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Posted on Jun 06, 2012

P0300 slow acceleration

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  • Contributor 22 Answers
  • Posted on Jun 06, 2012
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Joined: Jun 02, 2012
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Use performance chip to enhance the acceleration.


Increase Engine Horsepower

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1helpful
1answer

My 2004 envoy xl is reading two trouble codes. trouble code u1000 and p0300. is there a common problem that would read both codes?

Battery light is for the alternator. Not the battery. You can have it checked at a parts store. On the vehicle. The 300 code is for random misfires, all cylinders. This could be from a bad alternator. If the alternator is not putting out enough volts, it will draw down the battery. When the voltages gets to low, misfires are the first to happen. After that things start shutting down. Eventually the vehicle will just die. The 1000 code is a relearn/drivability code. Don't worry about it.
0helpful
1answer

What is code p0300?

P0300 - Random, Multiple Cylinder Misfire Detected Fault Code Definition
  • Random, Multiple Misfire Detected
Symptoms
  • Check Engine Light flashing
  • Rough running, hesitation, and/or jerking when accelerating
  • In some cases, there may be performance problems, such as dying at stop signs or rough idling, hesitation, misfires or lack of power (especially during acceleration), and a decrease in fuel economy
Common Problems That Trigger theP0300
  • Worn out spark plugs, ignition wires, coil(s), distributor cap and rotor (when applicable)
  • Incorrect ignition timing
  • Vacuum leak(s)
  • Low or weak fuel pressure
  • Improperly functioning EGR system
  • Defective Mass Air Flow Sensor
  • Defective Crankshaft and/or Camshaft Sensor
  • Defective Throttle Position Sensor
  • Mechanical engine problems (i.e.-low compression, leaking head gasket(s), or valve problems
0helpful
1answer

What do these codes together mean? p0300 p0138 p0339 p0871 p0700

GO TO YOUR LOCAL PARTS STORE, ADVANCE AUTO, ETC., HAVE THEM PULL THE CODES STORED IN THE ECM, THEY CAN TELL U WHAT THEY R
0helpful
2answers

I replaced head gaskets on 2004 dodge dakota. when started it ran rough and lacked acceleration. Code P0300 and o2 sensors showed. replaced all 4 O2 sensors, but still rough idle and code P0300

That's Random or multiple missfire code. Have you checked for proper fuel pressure? Improper fuel pressure will trigger this code if it's too low, thus causing a lean mixture in multiple cylinders.
0helpful
1answer

Rough idle and poor acceleration

P0300 Random/Multiple Cylinder Misfire Detected
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zed-bull key programmer
0helpful
1answer

Code p0300

I tinck yours ignition coils. before you get news echange the coil position of the number 2 and 8 if the codes change to the others cilynders numbers buy news .if nothing change check the conectors and sparck plugs of number 2 and 8.
1helpful
1answer

Check engine light flashes when accelerating or decelerating, code P0300, NO POWER IN HIGHER GEARS, or uphill or at high altitude Above 7000 ft.(truck is six speed manual)

P0300 = random and multiple misfires. Check your coils and ignition electrics - this is where the fault would appear to be by the OBD fault code displayed. Hope this is of help - good luck.
2helpful
1answer

2003 cavalier trac and engine light on

you are probably throwing code p0300 random misfire. it sounds like your ignition module which sits on the top of you engine it is silver with find and held in with 3 torx screws it controls 2 cylinders at a time so when it goes your car will be only running on 2 cylinders this can severely damage you catalytic converter. and a dealer won't cover it under the emissions warranty. the module costs around $100 so you might want to diagnose it.
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