Question about 1997 Mazda 626

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How to adjust idle speed on 1997 mazda 4cylinder engine

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6ya6ya
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Posted on Jan 02, 2017

mrgreenz
  • 962 Answers

SOURCE: 1997 Mazda Protege: Engine has clicking noise when idling.

Check to see if the valve lifters are not making the noise. Turn on the engine and rev it up to about 1500 rpms and see if the clicking is coming from the valve cover area.

Posted on Apr 05, 2009

  • 1 Answer

SOURCE: '04 Mazda3 had very low engine speed during idling

I have encountered this problem also, try changing your battery. My battery lasted almost 4 year till it was the cause the shot my alternator.

Posted on Apr 10, 2009

  • 104 Answers

SOURCE: 1997 Mazda 3.0 MPv Idle problem

check MAF sensor or for vacuum leaks

Posted on Oct 20, 2009

Testimonial: "fix the problem of the sensor thank you"

  • 1 Answer

SOURCE: 91 mazda 626 erractic idle surge when engine is cold

My '91 626 did the same thing. I tested the throttle position sensor, and it was good so that wasn't it. The other likely culprit is the Idle Speed Control valve, or Idle Air Control valve, which is a $500 part new (more than I paid for the whole car). I pulled one off a 626 at the salvage yard and got it for 3 bucks, put it on (it's an easy DIY, just 4 philips screws holding it to the intake manifold), however I can't be sure that solved the problem, since I haven't run the car much since then. It would seem the most likely cause, tho, and a cheap fix if you go used. Other possibilities: O2 sensor or Mass Air Flow sensor?

Posted on Nov 28, 2009

ivan_whisker
  • 1013 Answers

SOURCE: where is idle speed adjustment located on 1995 mazda 626

not sure on model but i dont think you can ajust the idel speed on modern cars as the ecu does it all for you but i could be wrong

Posted on Oct 23, 2012

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1997. Idle seems a bit high. How can I adjust it? I'm getting awesomely high mileage both city and highway but i think it could improve still more and the idling speed feels too high.


The idle speed is controlled by the engine computer through the idle air control valve , there are no provisions for adjusting idle . If idle is to high or you just think it's high , you need to test ,don't guess . Watch this video that shows what happens when you adjust thing's that you should not . Ford IAC valve test how to adjust minimum idle speed How to do it correctly !

Jan 16, 2016 | Mercury Sable Cars & Trucks

2 Answers

1985mazdarx713bwontidle


get a workshop manual and read how to adjust the engine speed screw and the mixture screw
idle speed is around 900 rpms
have the carby overhauled
check for vacuum leaks
could be a faulty EGR valve

Nov 16, 2015 | 1985 Mazda RX-7

1 Answer

High Idle Speed


The idle speed is not supposed to be adjustable. It is controlled by the computer.
What you may have is a vac leak, or the throttle cable may not be adjusted correctly.
If the throttle plate is completely closed, and there are no vac leaks, the idle air control valve is supposed to control idle speed by regulating how much air enters the intake.

Apr 12, 2013 | 2001 Mazda 626

1 Answer

Just started idling rough, sometimes stalling


Shot in the dark here without knowing the vehicle but it could be an Idle Air Control valve starting to fail. An IAC (idle air control) motor is designed to adjust the engine idle RPM speed by opening and closing an air bypass passage inside the throttle body. The cars computer or PCM (powertrain control module) receives information from various sensors and will output signals to adjust the idle air control motor in or out to adjust engine idle speed by controlling engine idle air. An idle air control motor can fail one of two ways, either the motor short circuits and stops working or the motor will develop high resistance and cause the idle air control motor to react slowly, either failure can cause the engine to stall at idle. When a trouble code scan is performed it sometimes won't always detect a failed or weak idle air control motor. To check the idle air control motor remove the unit, with the wires connected turn the key to the "on" position without starting the engine, the idle air control should move in or out. If the idle air control motor does nothing it has probably failed, replace it with a new unit and recheck system. Note: while the idle air control motor is removed clean (use aerosol carburetor cleaner) the passages the idle air control uses to control idle air speed, also inspect the idle air control for a build-up on the seating (pointed) end and clean as necessary.

Jul 20, 2011 | Mazda B2300 Cars & Trucks

1 Answer

1997 Rover Saloon; Car cc rating 1580. Crankshaft & twin overhead cam timing; what is the degree marking on crank before tdc.


its 7? according to my alldata book but this on idle as the engine speeds up it will auto advance

Jan 06, 2011 | 1997 Mazda 626

1 Answer

Wheres the starter located on 1997 mazda 626 lx,4cylinder?


where is the starter located on a mazda 626 1997

Jun 11, 2010 | 1997 Mazda 626

2 Answers

I have a 1997 Mazda 626 LX 2.0 Do i have to reset


Not sure, but I think it is preset meaning there is no adjustments. If the mounting holes are not slotted, then there is no adjustment. If they are, check underhood sticker for timing specs and procedures

Mar 11, 2010 | 1997 Mazda 626

1 Answer

Tune up Mazda 6


the owner of the car should be able perform engine tune-up . Prepare the tune up tools and materials . so that when tune-up is performed ,engine should be on peak performance and within specification.Use multi tester , Use timing light,use dwall meter ,use tachometer ,use feeler guage, adjust spark plug and contact point gaps. Adjust Idle speed and Idle mixture. Adjust tappet clearance,observe safety rules.If the owner of the car cant do the job done because of work then the owner of the car should go to a car mechanic and let them tune-up the engine.

Oct 02, 2009 | 2004 Mazda 6

2 Answers

Rough idle / engine surges until power is applied


Sounds like a possible vaccume hose leak?

Feb 07, 2009 | 1997 Chevrolet Astro

1 Answer

'04 Mazda3 had very low engine speed during idling


I have encountered this problem also, try changing your battery. My battery lasted almost 4 year till it was the cause the shot my alternator.

Dec 10, 2008 | 2004 Mazda 3

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