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I have a 2000 Mazda 626 that won't start. I had the altonator, and battery cables replaced...still won't start. Battery tests "good" and does not need to be replaced. I was given codes that shows that sensor #1 was misfiring. I want to take my car back to the mechanic but I was not sure if he was being completely honest with me. My gutt says that my car will not start because of a sensor malfunction. Yet, at the same time I really don't know much about repairing a car so I don't know what to do.

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  • 21 Answers

If you don't feel comfortable with the other mechanic working on the car just take it to another one. Don't try and fix it yourself its not worth the risk as you said you don't know a lot about cars.

Posted on Mar 18, 2014

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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SOURCE: Need programming instructions for RKE for 2000 Mazda 626

2000 Mazda 626
Note: Make SURE the battery is new.
Instructions for programming ONE keyless remote fob.
1. Open the driver’s door & leave open.
2. Insert the key in the ignition.
3. Turn the key to the on and off position 3 times.
4. Remove the key from the ignition.
5. After door open chime stops, press the door open button 3 times.
6. After chime, press any fob key twice.
7. After second chime, press any fob key twice again.
8. After third chime, press any fob key twice again.
9. Press the door open button once.
10. The car should give another acknowledgement chime.
11. Test key fob.
This DOES work. I just programmed mine successfully today, three hours ago.

Posted on Nov 13, 2008

  • 47 Answers

SOURCE: Check Engine light code 1506

this code indicates under-speed error has ocurred.
sets when PCM detects idle speed is 100 RPM lowerthan expected for 14 sec while break pedal depressedand steering wheel is straight ahead.

possible causes: IAC valve failure,intake leak,throttle body failure,opens or shorts in wiring between IAC and PCM.

Posted on Sep 16, 2009

dttech
  • 4803 Answers

SOURCE: misfire code, rough idle, full tune up complete,

The black soot on the plugs means that you are running extremely rich. The fuel injectors ma test good electricly, but they are notorious for leaks. The spider-looking thing sandwiched between the plastic intake plenum and the intake manifold gets cracks in it's "legs" and leaks fuel ito the plenum area. The fuel pressure regulator is also housed in this same assembly. if the diaphram in the regulator gets a pinhole in it, it also leaks fuel into the plenum area, causing all kinds of erratic idleing, black smoke from the exhaust, and will cause your fuel trims to drop into the negative 20s.

There is a technical service bulletin covering this subject. This procedure outlines the steps required to replace the existing Central SFI Fuel System with a new MFI (Multiport Flexible Injection) Fuel System.

It is removing the injectors which are all housed in the center body of the injector assembly and replacing them with a new version where the injectors are located where the ols "poppets" used to be in the intake manifold ports. The picture below is for a V-8 engine that is covered by the same TSB.052d4ba.gif
The poppets and the pressure regulator are available individually to fix your existing fuel injection system, but I gave up on that after replacing several poppets only to have them come back in a few months with another popet line broken. I recommend replacing the whole assembly with the new and improved version. My customers have told me after doing this that the engine never ran that smooth when it was new.

The GM part number for the new injector assembly for your V-6 engine is 12568332 it is also now available at several aftermarket parts outlets.

As for the timing chain solution posted by doodieman200, all I have to say is that I have enough fingers on one hand to count all of the failed timing chains I have replaced on these engines. If you don't have a cam/crank sync code, the timing chain has definitely not slipped a tooth.

Posted on Oct 18, 2009

Testimonial: "thank for tech update. due to working in a fleet bus shop i no longer get regular tech bulletins"

  • 1206 Answers

SOURCE: I got a camshaft position sensor malfunction code P0340.

it sounds like you have bigger problems if your car does not crank(turn over) then your timing belt could have broken and the one piston could be hitting a valve causing it to be locked up.normally when any sensor is bad car engine still cranks it just doesn't start.

Posted on Jan 28, 2010

  • 20 Answers

SOURCE: i need the diagram that

THE BEST THING TO DO IS GO TO AUTO ZONE OR ANY PARTS STORE AND PURCHASE A MANUEL FOR THAT VIHICLE COSTS ABOUT 28 DOLLARS WORTH THE WEIGHT IN GOLD

Posted on Oct 25, 2010

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2 Answers

2002 mazda 626 will not start


Can anyone guess at & list ten items?

You have to know basic auto mechanics
& have some test equip, such as a fuel pressure
gauge,volt meter & code reader.

Without factory quality diagnostic manuals to study
& follow, you will be asking for help for years.

Do you have fuel pressure at the engine?

Do you plan on buying wiring diagrams as you
progress to finding components to test in the
electrical system

You can't throw parts at it in the hope you will
get lucky,you have to develop your own test
strategy you use on all vehicles,& that requires
a great deal of theory & basic knowledge.

Nov 19, 2012 | 2002 Mazda 626

1 Answer

1997 mazda 626 won't start.


Are the plugs wet with fuel?
Check for spark. No spark? it may be the ignition module.

Plugs dry and spark present? No fuel?Spray a little starting fluid and see if it will run on that.
Then check pump fuses and for fuel pump noise.

Jun 01, 2017 | 1997 Mazda 626

1 Answer

Replace starter and battery 1999 Mazda 626 still won't start


Won't start or engine won't turn over and try to start?

Aug 06, 2011 | 1999 Mazda 626

1 Answer

626 1997 Mazda want crank


Start by making sure you have a good battery, or a good charge on the battery. locate the starter signal wire on the starter , usually the small wire, connect your test light. have a friend turn the key and see if test light lights up. if so, your starters bad, replace the starter and you should be good to go.

Mar 22, 2011 | 1997 Mazda 626

1 Answer

I changed the battery in my 2000 Mazda 626 and now the car won't turn over. The lights start to flash but it won't start. What do I do?


Did you replace it yourself? Did you get a new or used battery? Assuming a new battery, remove the cables from the battery and submerge the actual battery cable connectors in a solution of about 8 oz. water and a heaping tablespoon of baking soda. You will see some foaming a n bubbling. This is a good thing. After 3-5 minutes remove the cables and dry them well. If you have sandpaper, sand the inside of the cable connectors (Where the connectors actually contact the battery posts). Put cables back on the battery and tighten the bolt on the connector tight. you should not be able to wiggle the connector if tightened correctly. Good luck... hope this helps..

Mar 21, 2011 | 2000 Mazda 626

1 Answer

Car won't start. The battery and alternator are


If you can jump and start the car then the starter is good.

I had a similar situation where the battery tester showed 13V and green/good LED but I could not start my car. After many tests, I found out that the battery had good Voltage (13V) but not enough Amperage to crank the starter.
I replaced the battery and the car started like a champ!.

- clue to see if you need to replace the battery is if you have used it for
about 3 years or more.
- Dead battery happens a lot more often than bad alternator.

Mar 13, 2010 | 1997 Mazda 626

1 Answer

2002 626 will not start good battery, all the lights come on inside of the car but engine will not even turn over not even a click.


the battery cable is loosed. remove and clean battery poles and tighten battery terminal clamps

Dec 03, 2009 | 2002 Mazda 626

1 Answer

My 2002 mazda 626 has been having electrical problems. the battery and alternator have both been replaced. lately whenever the car's died, I've wiggled the battery and the car's started again. There's no...


Since it Started Before by wiggling the Battery, You have a Loose Battery Cable. You Probably need to Tighten the Battery Cables and let it run for a While to Recharge the Battery.

Jan 23, 2009 | 2002 Mazda 626

1 Answer

Need programming instructions for RKE for 2000 Mazda 626


2000 Mazda 626
Note: Make SURE the battery is new.
Instructions for programming ONE keyless remote fob.
1. Open the driver’s door & leave open.
2. Insert the key in the ignition.
3. Turn the key to the on and off position 3 times.
4. Remove the key from the ignition.
5. After door open chime stops, press the door open button 3 times.
6. After chime, press any fob key twice.
7. After second chime, press any fob key twice again.
8. After third chime, press any fob key twice again.
9. Press the door open button once.
10. The car should give another acknowledgement chime.
11. Test key fob.
This DOES work. I just programmed mine successfully today, three hours ago.

Sep 03, 2008 | 2000 Mazda 626

1 Answer

Mazda 626 - engine do not start


have you tried jumping the engine directly? It wont fix your problem permanently but might get the car started and give you a better idea of what is wrong. connect the negative cable to the engine block and the positive to the battery, good luck hope this helps

Jul 23, 2008 | 1984 Mazda 626

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