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98 Montero Carribean Spec. (Puerto Rico) Just some of the symptoms...Rough idle, extemely poor acceleration from stop, misfire at 1500- 2500 rpms, p0170 and p0300 codes. Car wont make it up a driveway

When replacing the fuel filter muddy brown gunk came out. the car sounded fine after the fuel filter change but after a few miles the problem came back. Even when the throttle is pinned to the floor, the car will barely accelerate when there is the slightest incline.

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  • Expert
  • 88 Answers

Misfiring on one or more cylinders check each plug is sparking

Posted on Nov 26, 2013

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6ya6ya
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Posted on Jan 02, 2017

stormbrewin
  • 426 Answers

SOURCE: 1997 mercedes benz E320 acceleration problem

You may also have issues with your air flow meter.Generaly though this symptom is usualy a fuel pressure problem.This test may or may not work depending on wether the fuel rail is the problem or the pump.Squeeze the fuel return line at the back of the fuel rail and if engine improves the fuel pressure regulator on the fuel rail may be faulty.If no improvement its likely the pump.The best and most accurate test would be to use an inline fuel pressure tester.Can you hear the pump pumping up to pressure when you turn the ignition on?Usualy though the pumps fail but can be heard running but unable to maintain pressure.

Posted on Nov 29, 2008

SOURCE: 98 Cavalier 2.4L engine stumbles at 2000-2500 rpm

Could be a short in the wiring for the O2 sensor.   I currently have the same issue only my car finally threw a code after two days of it acting up.  Code 106.  Changed the MAP sensor and it now throws 108, MAP sensor high voltage circuit.  Ah the joys of cold weather and broke down vehicles.  But I know that you wont always get a code with a short.  Let me know if you fixed the problem.

Posted on Jan 08, 2009

phoenixinks
  • 89 Answers

SOURCE: engine cuts out on acceleration

could be the pump or injectors or both. while your at it check your fuel tank for rust dirt any thing.

good luck

Jason

Posted on Jan 17, 2009

soc21610k
  • 215 Answers

SOURCE: 2001 Chevy Cavalier Misfire

Have you made sure your getting spark on every cylinder from the coil pack?

Posted on Jun 04, 2009

  • 752 Answers

SOURCE: rough idle. rpms drop. misfire.

try your coil packs they go over your sparks or do plugs first and see what happens do affordable first

Posted on Feb 01, 2010

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1 Answer

I want to send a check to someone in Bayamon, Puerto Rico. Is there a Bank of America in Puerto Rico?


As a matter of fact, yes. Here is the particulars.

255 Avenida Juan Ponce de Le?n, San Juan, 00917, Puerto Rico Phone:(202) 910-2599

Dec 10, 2015 | Cars & Trucks

1 Answer

Idle rough no acceleration


Is the check engine light on/flashing? You may have a cylinder misfire causing a rough idle and poor hesitation like acceleration

Apr 11, 2015 | 2003 Buick Park Avenue

1 Answer

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

Jul 25, 2014 | 2000 Dodge Durango

1 Answer

Poor acceleration


Check your spark plugs.

Oct 02, 2013 | Nissan Cars & Trucks

1 Answer

Have a 98 sonoma rough idle poor acceleration and flashing engine light


HAVE VECHICLE SCANNED.AT AUTO ZONE THEY WILL DO IT FREE.SOUND LIKE FAULTY TPS SENSOR,FAULTY EGR VALVE OR O2 SENSOR.MANY THINGS WILL CAUSE ROUGH IDLING LEAN MISFIRE CAUSED BY VACUUM LEAK PVC VALVE OR INTAKE.CLOGGED FUEL FILTER,DIRTY FUEL INJECTORS.GETTING CAR SCANNED WILL SAVE YOU TIME AND MONEY.

Sep 27, 2010 | GMC Sonoma Cars & Trucks

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Check engine light comes on and car idle's and drives with a shudder around 2500 rpms. First time check engine light came on put it on computer and said it was misfiring, so changed plugs and plug wires...


I found this; if it helps.
The injectors need to be cleaned, if an engine is experiencing any of the classic symptoms of dirty injectors, such as lean misfire, rough idle, hesitation and stumbling on light acceleration, a loss of power, and higher hydrocarbon (HC) and carbon monoxide (CO) emissions.
Lean misfire may also trigger a misfire code and turn on the Check Engine light on 1996 and newer vehicles with OBD II systems. The code often will be a P0300 random misfire code, or you may find one or more misfire codes for individual cylinders, depending on which injectors are most affected.

the web page was:
http://www.aa1car.com/library/2003/ic30336.htm

Hope this helps

Apr 16, 2009 | 1999 Dodge Durango

1 Answer

2003 DODGE NEON RUNS ROUGH


Try cleaning the EGR valve first



electronic Tempture Control
ECT sensor
symptoms
Potential Symptoms

Symptoms of a P0118 could include:

* Very poor fuel economy
* A no start condition
* Vehicle may start, but run very poorly, blowing black smoke, running very rough and misfiring
* Illumination of MIL
EGR valve

Usually a fault in the control circuit, will leave no noticeable symptoms other than the Malfunction Indicator Lamp (MIL) illumination. However, if the EGR control solenoid
is stuck open due to debris, etc. the code may be accompanied by misfire under acceleration, rough idle, or engine dying altogether.

Dec 22, 2008 | Dodge Neon Cars & Trucks

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