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Running rough with loss of power

I have replaced the fuel pressure regulator fuel filter spark plugs boots for the spark plugs as well as the tps sensor i am wodering if the pressure sensor tube being craked nd split would cause this

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Hello Daniel, my name is Andy if you mean the intake hose yes the intake hose can be one of the main causes of losing power at the time of accelerating the car if you want to do a test you can put construction tape on it you can find it in home depot is a gray one and see if it works let me know if it works or continue having the same problem

Posted on Jan 03, 2014

Testimonial: "Thank you i have just replaced the hose going from the bottom of my pressure sensor to just under the throttle body nd it seems to be better but still runs grogy"

  • 1 more comment 
  • daniel inouye
    daniel inouye Jan 03, 2014

    i just replaced the hose for the pressure sensor and it is better but still runs kinda grogy

  • daniel inouye
    daniel inouye Jan 03, 2014

    sry ppl it is a 2.4 liter twin cam 96 cavalier

  • daniel inouye
    daniel inouye Jan 03, 2014

    i have solved the issue! it was the pressure sensor and the hose to it:)

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vetteman3002
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SOURCE: 1989 Bronco II have replaced fuel

Is it the 2.8? I am just thinking of what cycles and would cause the engine to run bad. The fuel relay would not be the problem. Because if it doesn't close, then the engine does not run at all. The power distribution box is a possibility. But I am thinking about what you are saying the problem cycles. That is the strange thing. I think that the cycling has to do with pressure in the fuel tank. Have you tried changing the gas cap? That could be all that the problem is. But it could also be the vent in the fuel tank. The reason why I am thinking this is because the fuel tank builds pressure from the gas sloshing around and when it builds up too much pressure then it relieves. What do you think?

Posted on Dec 15, 2010

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Check your fuel pressure and your fuel filter . Also check your pids.
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VERY ROUGH IDLE NO EXCELERATION


Try a few if these ideas...

Priority Action Part Type Cause
1 Inspect Spark Plug Fouled, Damaged, or Broken Spark Plug(s).
2 Inspect Hose (PCV) Clogged or Collapsed PCV Hoses.
3 Inspect Wireset Worn, Damaged or Faulty Spark Plug Wire(s).
4 Inspect Distributor Worn, Damaged or Faulty Distributor.
5 Inspect Catalytic Converter Clogged or Faulty Catalytic Converter.
6 Inspect Fuel Pump Low Fuel Pressure.
7 Inspect TimingSet Slipped TimingChain or Worn TimingGear(s).
8 Inspect Knock Sensor Improperly Connected or Faulty Knock Sensor.
9 Inspect M.A.P. (Manifold Absolute Pressure) Sensor Faulty M.A.P. Sensor.
10 Inspect Throttle Position Sensor Faulty or Incorrectly Connected Throttle Position Sensor.
11 Inspect Mass Air Flow (MAF) Sensor Damaged, Loose, or Faulty Mass Air Flow Sensor or Circuit.
12 Inspect Air Cleaner Temperature Sensor Damaged or Faulty Air Cleaner Tempature Sensor.
13 Inspect Fuel Injector Pressure Regulator Faulty Fuel Injector Pressure Regulator.
14 Inspect Piston Ring Set Worn or Broken Piston Rings.
15 Inspect Timing Specification Incorrect Ignition Timing.
16 Inspect Fuel System Pressure Incorrect Fuel Pressure Being Delivered to Carburetor or Fuel Injection System.
17 Inspect Fuel Filter Clogged or Dirty Fuel Filter.
18 Inspect PCV Valve Plugged or Damaged PCV Valve.
19 Inspect Valve Burned, Worn, or Sticking Exhaust Valves.
20 check idle stop solenoid - if faulty, could cause rough idling
21 inspect distributor cap/rotor - if burnt, could cause loss of acceleration

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