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Mick Betts Posted on Jan 15, 2013
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Blows air from air intake when idling, causes air filter to knock

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Kelly La Rue

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  • Expert 93 Answers
  • Posted on Jan 15, 2013
Kelly La Rue
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To blow air the exhaust would have to be involved. Not much help but a starting place

5 Related Answers

Anonymous

  • 659 Answers
  • Posted on Jun 16, 2009

SOURCE: car making loud humming noise from the air intake

the idle air bypass valve is making noise and resonating through the air inlet the valve needs to be replaced there is also a revised hose to the valve to reduce noise if it hasn't already been replaced

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Anonymous

  • 51 Answers
  • Posted on Feb 09, 2010

SOURCE: fan works but it blows low heat

there is a cab air filter located under your hood, pass. side under the wiper area, but this should not be the problem if your loosing coolant, check your heater core, if your fan only works on low. check your blower resistor you can pick em up new for around 20 bucks. hope this helps and god bless.

Randy Ohler

  • 14585 Answers
  • Posted on Jun 16, 2010

SOURCE: 1999 Hyundai Tiburon. Rough Idle, New air flow

if it clears up at higher rpm,s look for a vacuum leak.if not have the injectors checked and the wires that go to them

motor1258

Mike Butler

  • 6674 Answers
  • Posted on Jul 09, 2010

SOURCE: could that be causing oil in intake and exhaust

Look at center of engine, at back, and you'll see a black tube coming from drivers side rocker cover, to a short black piece of rubber hose like a 90 degree elbow (which usually cracks or collapses and causes problems).
That should attach to your PCV valve.

Anonymous

  • 2926 Answers
  • Posted on Dec 04, 2010

SOURCE: I have recently noticed a

There is a blend door that either has a bad actuator or broken plastic clip that holds the door. Unfortunately, it will require the dash to be disassembled to access the door.

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0helpful
1answer

Mazda Demio 2011 starts but doesnt idle

If your Mazda Demio 2011 starts but does not idle properly, there are a few potential causes and steps you can try to fix the issue:
  1. Check the idle control valve: The idle control valve is responsible for regulating the engine's idle speed. If the valve is faulty or not functioning properly, it can cause the engine to not idle correctly.
  2. Check the air intake system: The air intake system is responsible for bringing air into the engine, and if there is a problem with the system, it can cause the engine to not idle correctly. Check the air filter and the intake hoses for any blockages or damage.
  3. Check the fuel system: The fuel system is responsible for delivering fuel to the engine, and if there is a problem with the system, it can cause the engine to not idle correctly. Check the fuel filter and fuel lines for any blockages or damage.
  4. Check the ignition system: The ignition system is responsible for providing the spark that ignites the fuel in the engine, and if there is a problem with the system, it can cause the engine to not idle correctly. Check the spark plugs, ignition wires, and ignition coil for any issues.
If you are unable to diagnose and fix the problem on your own, it is recommended to have a mechanic or dealership technician take a look at the car. They will have the necessary tools and expertise to properly diagnose and repair the issue.
1helpful
1answer

2000ford focus 2.0 split port. 5 spd Has no acceleration idles ok when you give gas Bogs unless u eas into it. won't go over 50 mph bad mpg giving codes knock sensor bank one tolean I.A.C. Bad intake?

When is last time you replaced the fuel filter. Replace this and the air filter first( no air, no fuel, lean). Check for vacuum leaks also. Start with the cheapest and work your way up to the intake.
0helpful
1answer

Mitsubishi shogun sport has a high idle about 1200rpm but when the car comes to a stop it drops off back to about 800 rpm

idle valve on the intake may need cleaning. a build up of muck from the air intake line can cause this also change the air filter.
0helpful
1answer

My friend asked me to replace the spark plugs on Ford Taurus 2001 3.0 VIN S. After installing the plugs, it idled roughly that it would die at some point. It is also throwing a P0113 now.

The intake air sensor could be stuck at a low temperature,,which would cause the vehicle to make a cold start..Which would cause it to run rich...You really need to see it on a data screen,,to see whats its reading..Are you sure you didnt forget to plug it up...It should be on the duct work around the air filter..Some are located in the intake..You may have knocked it off while you installing the plugs
0helpful
2answers

Engine idles rough at stops and in park is it idiling sensor or something

This could be a lot of things. There is no 'sensor' but there is an IAC (idle control valve) that lets air into the engine when you aren't using the throttle. But, when this part goes bad your engine usually will idle really high or not at all. You could have a slight misfire or broken/worn engine/transmission mount. A tune-up could eliminate maintainence caused problems. You should replace the air filter, fuel filter, spark plugs, spark plug wires, PCV valve, and run a good injector cleaner through like Chevron Techron or Valvoline Synpower. If this doesn't solve your rough idle, then you likely have a broken mount somewhere.
0helpful
1answer

97 Chrysler 2.5L runs bad when warm stalls and knocks no MIL

It sounds like you did not change those intake manifold gaskets and they are not completely sealing the intake and causing a vacuum leak and the MAP sensor will read high in voltage and cause the bad idle.
1helpful
3answers

1993 Lexus LS400 acceleration stalls or surges

I HAD THE SAME PROBLEM WITH MY CAR. 93 LS 400. THAT WOULD BE YOUR FUEL FILTER OR THE FUEL PUMP GOING BAD. TRY CHANGING THE FILTER FIRST. THE DEALER TRIED TO CHARGE ME $980 TO CHANGE FUEL PUMP.
4helpful
2answers

Rough idle P0300

a faulty MAF will not cause a P0300, just a severe loss of power, look for injector, ignition and intake vacuum leaks as your causes.
13helpful
2answers

99 Dodge Durango Dies When Slowing

Here is the most common cause of surges and stalls and low idle rough idle, it is the idle speed control air-bypass valve and throttle valve (IAC for short), they get full of gunk over the miles and cause idle issues (stalls, low idle) like yours, Get a can of intake cleaner from any local parts store, not carb spray, intake cleaner, it is made by a company called CRC, remove the air intake hose to the engine, hold the idle high so the engine won't stall, then spray the can of cleaner into the intake while keeping the engine running, use at least 1/2 the can, shut down the engine and disconnect the battery for 5 minutes, then restart and complete a number of mixed driving cycles, town, freeway, stop and go etc., after a few days the problem will go away as the system will relearn to the clean intake.
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