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CarJunky AutoAdvice

1999 mazda heat still stuck

Showing 2 out of 2 Posts
Question From Jimmyl65 on 1999 mazda heat still stuck

One post is sufficient. please make any subsequent replies to that thread.

Original Question

Response From Hammer Time Top Rated Answer

This poster will not be returning

1995 mazda b2300 help

Showing 2 out of 11 Posts | Show 9 Hidden Posts
Question From bracaglia72 on 1995 mazda b2300 help

Im trying to get some on id of the parts below so i can replace them . I noticed 2 hoses or wires that were cut in half in the pic they go on the top of those 2 ends where u see no wires i have no idea what it does or how i go about asking for what wires i need they seem to just plug in there on top and seem to go under the area where the oil goes . Any help ? would be greatly appreciated .

direct links to bigger pics :

Response From bracaglia72

SO i need spark plug wires? there is a set of 4 that are all connected then this second set of 4 . the motor seems to start and run fine . So i just replace these 2 wires with new ones?

Response From Hammer Time

No, it won't run fine. That's a 2.3 Ford engine that take 8 spark plugs. It needs all 8 to run right. Start with plugs and wires but there may be more to that then it appears.

Response From bracaglia72

Thank you i use the truck for work would it be ok for me to use just for tonight till i can get it in the shop tommrow? I would need to use it for a few hours .

Response From Tom Greenleaf

Should you use it one more time for work? You said it runs fine now? How long has it been like this anyway and why if you know? If a long time already if any damage (not sure) was done it's done but I can't make the decision for you.

If it's smooth, no funny odor out exhaust, steady idle with smooth flow out tailpipe you are probably ok to use it for work AYOR.

There are plugs at the other end that about can't be so happy so expect more than just a wire set to make it right,

T

Response From bracaglia72

Im not sure how , long its been that way i only noticed it today . It looks like the 2 wires got stuck or cut off on a wheel in there . I never noticed the truck running any different . Its very old with over 150,000 miles on it i use it for work .

Response From Hammer Time

PURPOSE, CONSTRUCTION, OPERATION
The Electronic Ignition System (EI) consists of a crankshaft mounted Dual Hall Sensor, two 4-tower coil packs, and an ignition module.
The EI eliminates the need for a distributor by using multiple ignition coils. Each coil fires two spark plugs at the same time. The coils are paired so that as one fires during the compression cycle the other fires during the exhaust stroke. The next time the coil is fired, the plug that fired on the exhaust stroke will fire on the compression stroke and the one that was on the compression stroke will fire on the exhaust stroke (the spark in the exhaust cylinder is wasted but little of the coil energy is lost).

Two coils are mounted together in a "coil pack". Each coil pack has two tach wires, one for each coil. Since there are two plugs per cylinder, two coil packs are required. One is called the Right Coil Pack (on right side of engine) and the other, the Left Coil Pack (left side). The Right Coil Pack and plugs operate continuously but the Left Coil Pack and plugs may be switched on or off by Electronic Engine Control processor. The Electronic Engine Control processor computes the spark angle and dwell for the ignition system.

Response From Discretesignals

I think you just blew his/her mind....lol.

Response From Tom Greenleaf

Of course it's a judgment call. I couldn't guess how long it's been that way nor can you it seems. Need to look if some other thing is flying around that could have done that?

Old truck, JOB/WORK and a couple hours of run time for tonite? Weight the matter and use your head. The risk as I see it is if running poorly which can harm cat converter. If smooth and no odd odor it probably is ok to use it but I should never make the call for you like that. Might be making erratic sparks?

This is open web. I have to with common sense say don't use it till fixed as the primary suggestion,

T

Response From Discretesignals Top Rated Answer

I believe in the pictures you are meaning the spark plug wires.

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Response From Hammer Time

That's you coil and plug wires.

2000 Mazda Protege: air intake system problems

Showing 2 out of 4 Posts | Show 2 Hidden Posts
Question From autojunky on 2000 Mazda Protege: air intake system problems

Hi,

Here my specs:
2000
Mazda
Protege LX
1.6L
150K+ miles

When I went for an oil change, the mechanic said my vacuum hose was cracked and needed to be replaced. I didn't ask him to replace, and instead I checked it myself. I saw that air intake hose was cracked and almost splitting. I'm not sure what the vacuum hose is. I decided to tape the air intake hose temporarily while I order a new part. I saw some other things. They seem like problems to me, but I was surprised the mechanic didn't point them out. Here are some pictures.

Firstly, here's the whole engine:


Here's part "A" expanded. It seems that the areas I've boxed should be connected. I assume what I'm holding is the vacuum hose. Is this correct?


and for "B" it seemed there shouldn't be a gap between where I have the box. The compartment at the top is for the air filter.


I'm not a car expert, but I assume these are problems, correct?

Thanks


My engine stopped while my car was idling yesterday, and that's the first time that's happened to me (this can be another topic). Other than that, no problems.

Response From nickwarner

You are right about having a problem. That piece you taped up is your air inlet ducting. If it isn't sealed your engine can draw air through it instead of through the air filter, which would allow dirt and dust to be ingested by the engine and cause it to wear out way faster than it should.


That hose coming from your valve cover to the air ducting in picture A is for your PCV system, and it also needs to be hooked up. I'd guess the missing section is because the hose deteriorated. A new one won't be expensive and you should fix it immediately along with the intake ducting.

Your airbox connection in picture B should be slid together as you have correctly pointed out. This isn't all that critical though, as all air going through that hole must pass through the air filter prior to getting to the engine.

Your stalling is likely dues to the issues in picture A. Your car has a mass airflow sensor in the ducting and the engine uses data from it to determine how much air is getting into the engine. If makes decisions on how much fuel to add based on that along with several other sensors. But with the PCV hose unhooked and the the air ducting damaged the engine is pulling in extra air that the MAF didn't read, and the ecm is getting confused when it sees the different than expected readings from the O2 sensors based on the fuel it added when it looked at the MAF reading. That extra oxygen was seen by the 02 sensor, which told the computer you were running lean and the computer added more fuel to make up for that. You need to get that fixed fast. I wouldn't drive it around while it can suck in dirty air directly into the engine. On the upside, fixing what is wrong with this can be done by a novice like yourself with simple hand tools you would commonly have around your home. A return trip to a shop would be unnecessary and the parts are inexpensive.

Get that taken care of, drive it around for a day or two and let me know how its running for you.

Response From autojunky

Thanks for detailed reply, Nick. I have noticed that my fuel economy has gone down.

When I replaced my air filter and taped the ducting, my engine check light went away. That light came on seven years ago, and my mechanic said it was for the EGR valve, which he said opened and closed too early. He said I needed a new valve, but he said the car doesn't need the part, and so we left it as it is. I always managed to somehow get the light turned off for inspections. One time I took my car in to get the problem fixed to another mechanic, and he said I didn't need a new valve, but just needed to clean it. He charged a bundle, but the light came back two weeks later. That was years ago, and when I went for an oil change recently, the mechanic said my light is on because of the air intake hose. I didn't think much of it because he didn't know the whole story, so I was surprised when the light went off today.

Anyway, I can find the air intake hose on RockAuto, what is hose coming from the valve cover called? I can't find another hose in the "Fuel/Air" section or any other appropriate hose. Is there a name for it?

Response From autojunky Top Rated Answer

I saw this video for installing a new intake hose: link deleted ...... not allowed and it says the hose is called a "breather hose." I couldn't find anything online, so I went to Pep Boys. They cut a fuel line hose for me, and it fits just fine:


I also bought some clamps. Got everything for $6.50. I later realized the old clamp I already had on the PCV would have worked as well. Boy, buying those clamps is paining me right now.

I'll go ahead and order the air intake hose. Thanks for all the help.

@004 Mazda 6 making a whining noise

Showing 2 out of 9 Posts | Show 7 Hidden Posts
Question From briandavis on @004 Mazda 6 making a whining noise

I have a 2004 Mazda 6 and its making a whining noise when running and idles rough. Code says its a cam sensor. Would that cause a whining noise from under the hood. Heres where you can find a you tube video

Response From Tom Greenleaf Top Rated Answer

Noises tough even with the video. For now IDK but will show it as a link.........



To me that noise is more like an electric motor failing. Why the idle not so sure so let other chime in.


Code - please post the # but it has one and may have nothing to do with the noise,


T

Response From briandavis

Thank you so much I dont have the code was at Advance this morning. I just find it hard to believe that sensor is causing that whining noise.

Response From Tom Greenleaf

I may not be around too much for some of the day but will suggest some things you could try if you can.
To me the noise could be travelling away from where you might think the source is. It's clear enough you could probably hear it with a mechanic's stethoscope or just a listening rod to your ear. Careful doing that around moving parts.


Could rule out any belt driven item by taking belt off and just run for a quick while to see if noise goes away and if so spin the items on that belt by hand for feel.


To me that noise sounded almost exactly like a small electric motor like a washer pump - power door lock size motor type something gone bad or disconnected and would have to be to spin that much but not near the engine at all. The ticking sounded like normal noise to me from injectors.


That's about it until you can peg it down more precisely. I doubt crank sensor makes that noise even if there's a problem with that circuit?


T

Response From briandavis

heres another video where it starts to make a hallow like grinding

Response From GC

First things first, I would get that cam sensor code resolved.

That noise is tough. Would need to be there to hear what area it is coming from. Smog pump,alternator, cooling fan, anything that moves really could make that noise, including engine components.

Response From Discretesignals

Sounds like a vacuum leak. If you snap the throttle, does the noise go away? Take a spray bottle with water and spray around the intake manifold. If you hit the leak, it will make a sucking noise and change pitch.

Response From briandavis

It was a huge vacuum leak between plastic intake manifold and motor. Manifold had cracked somehow

Response From Tom Greenleaf

Welllllll! That would do it! Dang plastic engine parts Glad it's found and fixed,


T

Mazda 5 power steering issues.

Showing 3 out of 8 Posts | Show 5 Hidden Posts
Question From pokepoke09 on Mazda 5 power steering issues.

My mechanic recently told me that my power steering was messed up, i bought a power steering pump online, i noticed that people sometimes only sell the top portion of the pump, i was wondering what actually controls power steering. Because often times while driving on the highway power steering shuts off for a few moments.

This what the part i bought online looks like
?1
would i need to buy something else?

Response From pokepoke09

The year is 2006, i bought the pump but what i would like to know is what the pump does and what the module does.

Response From Discretesignals Top Rated Answer




There are three main parts to the pump assembly (power pack) in the picture above. The pump, electrical motor, and the power steering module (ECU).

The pump is what moves hydraulic fluid through the steering system (steering rack and lines). The steering module (ECU) is a computer that takes inputs from sensors such as the steering wheel angle sensor and information from other computers in the car. The electrical motor is what turns the pump and is controlled by the module.

Response From Tom Greenleaf

Pokepoke: This seems like the early attempt to get rid of belt driven things to make room I would think and take advantage of more control over power assist more accurately. Nice concept till it fails in some way.


DS basically has indicated or I interpreted that as this diagnosis isn't going to be very DIY friendly.


Pump makes hydraulic pressure but is electrically told when and how much force/assist to put out electrically so would watch that on a scope as he mentioned. Most wouldn't have a scope for this to diagnose where the failure is.


In short it probably isn't getting the right command for adding assist and intermittent anything unless in some memory you have to catch it in the act.


My quick look for the parts was quite discouraging for how expensive this set up is. ~ 10X what a crude set up should be IMO - that's not so smart yet but YOU have to deal with it.


This will probably run you broke guessing with what issue is where by tossing parts at it like many things that's a waste but this is more involved.


So far it isn't known if a steering part is mechanically binding or the assist isn't responding.


Choices as I see it for you are to check all parts that are involved with steering then either buy all the diagnostic equipment or get it diagnosed and do just that. If it just will not misbehave when diagnosed it's a total headache,


T

Response From Discretesignals

Year?

Did your mechanic troubleshoot the system and isolate it to the pump or is this a guess and assuming the pump itself is bad?

Got to remember that your power steering uses an electrical motor to drive the pump. There is also a control module in charge of operating the motor depending on information it receives from sensors and other modules. Other things besides the pump can cause those symptoms.

Response From Tom Greenleaf

You hit while I was making guesses on year on this. Lots to do with it other than pump as was worked on. Not belt driven on the one shown by me,


T

Response From Discretesignals

Nope, not belt driven. The controller that operates the motor has diagnostic capability. Checking for trouble code in the module using a factory or enhanced scan tool would be the first step. If there are codes, might give some directions. Then bidirectional control of the motor and seeing if it fails would be the next step. The bummer is that you really can't tell if the module or motor is bad because the output from the controller is in between the module and the motor. You really can't get into there to see if the module is commanding the motor or not using a volt meter or lab scope. You could stick an inductive clamp on the feed to look at motor brushes, but that could be inconclusive too. Dumb design in my opinion.

Response From Tom Greenleaf

? What year is this thing? Seem there's a lot to this particular set up and you only got part of it.


Whole unit should look like this and probably if the part is the problem at all should have looked more like this.........
/


Intermittent with it now on yours suggests the drive set up isn't right in some way not the pump itself. Not enough info except a bit different than many out there.


BTW - The one shown was close to $700 buckeroos! I wouldn't want to be wrong with that diagnosis before just tossing in part of one,


T