Question about 1996 Nissan 200SX

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Car wont rev past 2500rpm

New fuel filter and presure regu;ator new EGR valve new idle air bypass valve as well no check engine light

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  • Anonymous Mar 24, 2014

    daewoo tacuma new egr vvalve just fitted car goes very well

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That maybe what the rev limiter is set for.That way you can not over rev causing engine damage.

Posted on Sep 12, 2008

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Check the throttle cable. or rev it manually on the TBI

Posted on Apr 23, 2009

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Check that your air flow meter is all connected properly and if its turbo check that your intercooler pipeing is all plumbed up

Posted on Jan 09, 2009

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2 Answers

Engine runs rough wont idle in drive


1. replaced the air filter
2. replaced the PCV valve
3. inspected the PCV hose and connectors (nothing wrong)
4. ran a tank of gas with fuel injector cleaner
5. tested the EGR valve by pulling the vacuum hose off the top, and blocking the hose. The idle didn't smooth out. I applied a vacuum to the EGR valve manually and the car immediately stalled which tells me that the EGR valve itself is working fine.

Jul 05, 2014 | Ford Focus Cars & Trucks

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Over fueling at Idle/low revs causing rough run and engine stall suddenly.


Possible causes of your issue:
  1. Clogged air filter
  2. Bad fuel pressure regulator (most likely)
  3. Sticky idle air controller (also likely)
  4. Burned or stuck EGR valve, or bad EGR solenoid
  5. Bad throttle position sensor (especially if the "Check Engine" light is on or flashing)
  6. Bad oxygen sensor (especially if the "Check Engine" light is on)
  7. Water in fuel or bad fuel
What to do:
  • Start by removing the air filter to see if the problem persists. If the air filter is dirty, replace it.
  • Next, verify that the Check Engine light is operating by turning the key ON but not starting the vehicle. The Check Engine light should be illuminated. If not, replace the Check Engine light bulb.
  • If the Check Engine light is ON when you start the car, try feathering the accelerator pedal to see if the base idle stabilizes or changes. If it does, replace the TPS (Throttle Position Sensor). This is a fairly inexpensive part.
  • If the Check Engine light is FLASHING, or ON, next you will need to have a local mechanic or your local auto parts store attach an ODB scanner to determine what error codes are present. This will help you pinpoint the issue.
  • Once you have pinpointed and corrected any issues present using the ODB codes, you will need to attach a FUEL PRESSURE GAUGE to the fuel rail test point to determine if the fuel pressure is correct. If it is too high, the FUEL PRESSURE REGULATOR has failed. Again, this is an inexpensive part but the fuel system pressure must be released before servicing this part. Best done by a qualified mechanic.
  • HAS THE CAR SAT UNUSED FOR A PROTRACTED AMOUNT OF TIME WITHOUT FUEL BEING REMOVED OR ADDED? If so, the condition you are describing may be a result of bad fuel. Modern fuels contain ethanol, which causes moisture to condense in the tank when it is not agitated. This can cause water to build up in the fuel, and causes the fuel system to rust as well as an idle issue that resembles what you are describing. Try adding new fuel, and add a full bottle of FUEL SYSTEM WATER REMOVER. Remember: IF FUEL IS ALLOWED TO SIT IN YOUR VEHICLE'S TANK (without new fuel being added) FOR MORE THAN SIX MONTHS, IT WILL GO BAD.

Apr 18, 2014 | 2002 Ford Escape

1 Answer

Rough idle and loss of power 1988 s10 4.3


Did you test any of those parts before you replaced them ?
Have you checked the cap, coil, and distributor yet ?
The distributor has a module and a pickup coil inside that could be faulty.
Is the check engine light on ?

Oct 07, 2012 | Chevrolet S 10 Cars & Trucks

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1995 chevy 350 egr valve problem, i just replaced the new egr valve and it has less proplems now. when the engine is warm after 10 mins of riding, it still has a proplem when slowing down, engine stops....


SOUND LIKE FAULTY IDLE AIR CONTROL MOTOR.TAKE VECHICLE TO GARAGE LET THEM SCAN VECHICLE.IF IDLE SPEED CONTROL FAULTY.IT HAS TO BE REPLACED AND REPROGRAMMED.

Oct 07, 2010 | Cars & Trucks

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Check engine light on auto zone read codeP0404 replaced egr valve,air filter, added sea foam, and high octane booster. car still has check engine light on reading same code will not accelerate hesitates if...


When it revs high, is it down shifting? if so you may be running out of gas. low fuel pressure or lack of fuel getting to the injectors. (fuel filter)

May 02, 2010 | 2002 Chevrolet Impala

3 Answers

94 altima stalling


check the vacuum line and map sensor

Jul 16, 2009 | 1994 Nissan Altima

1 Answer

Idles high when warm


With the age of the vehical it might be a good idea to do a compression test first. I would check the timing. Sounds like the engine is advancing for some reason, if that checks out then recheck for vacuum leaks( it could be leaking past the base gasket, vacuum booster, or intake), The vehicle has a carb. not a throttle body injection? Also if you can retrieve that engine code it may be helpful.

May 21, 2009 | 1984 Chevrolet S-10

1 Answer

2001 volvo s60 2.4 turbo misfire


  • Faulty coil (pack)
  • Faulty camshaft position sensor
  • fuel filter and fuel
  • the p0300 car's computer has detected that one of the engine's cylinders is not firing p0301 In this case it's cylinder #1.p0302 In this case it's cylinder #2.and so on i would check the three listed above first then check
  • Faulty spark plugs or wires
  • Faulty oxygen sensor(s)
  • Faulty or plugged fuel injector
  • Burned exhaust valve
  • Faulty catalytic converter(s)
  • Stuck/blocked EGR valve
  • Defective computer Random misfires that jumps around from one cylinder to another (read: P030x codes) also will set a P0300 code. The underlying cause is often a lean fuel condition, which may be due to a vacuum leak that may be a broken hose or in the intake manifold (gasket,spary aruond it with wd40 or starer fluid if the engine idle goes high theres your problem) or unmetered air getting past the airflow sensor, or an EGR valve that is stuck open. hope this helps
  • Apr 23, 2009 | 2001 Volvo S60

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    '90 3.1 lumina euro idles ok but tries to stall when accelerated.


    If the cat is red then it is probably plugged if the motor can't exhale it wont run at high rpm

    Apr 11, 2009 | 1990 Chevrolet Lumina

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