STUBBORN Misfire ...

[DarKrID3r]

just ordered 2xairtex.
shipped EMS

 

[Bijou-MP5]

omg I replaced an order for coil pack from rockauto yesterday and it came today.. that was fast, but I missed the fedex guy so he will redeliver tomorrow.

 

[Diehonda]

omg I replaced an order for coil pack from rockauto yesterday and it came today.. that was fast, but I missed the fedex guy so he will redeliver tomorrow.

That is what they did with my spark plugs. Took longer to meet the UPS man then anything. (thumb)

 

[Diehonda]

So let's have an update. How are you all doing with this issue?

 

[DE31]

ive noticed most people that have this problem have 2002 (correct me if im wrong its still a little early for me) is that because of their mileage or did they replace anything from the 03 (or 02.5)

 

[Bijou-MP5]

for me... I have an appointment with dealer thursday.... I hope they can tell me what my problem is...

 

[Diehonda]

what are your symptoms?

 

[Diehonda]

ive noticed most people that have this problem have 2002 (correct me if im wrong its still a little early for me) is that because of their mileage or did they replace anything from the 03 (or 02.5)

Don't know if it mileage I have 130K on mine.

 

[ebmp5]

i still having my problem's too m
a mechanic told me i should try and change my thermostat
but i dont no

 

[Bijou-MP5]

mine was fixed. my coil wasn't snapped all the way and they even readjusted rpm range.
so far no problem except my caliper, but that will get fixed this tuesday as well.
ebmp5 did you take it to dealer? i know it's high costs but for me they can find problem better.

 

[DarKrID3r]

I got my coils from rockauto. the car runs perfectly since then. i think that my EGR valve needs to be cleaned up tho since sometimes i idle a little lower then normal. but nothing major.

thanks

 

[MatP5]

Cleaning the EGR got rid of my low iddle and since I changed the coils I haven't had a missfire (rockon)

 

[wannabe]

whelp, i finally ordered my new coils today...the other day my car was driving wonderfully, and then the next time i got in it was choppy again...so i decided something needed to be done. i'm planning on cleaning the EGR again, cleaning the IAC, replacing the PCV, and replacing the coils. hopefully my car will run like magic again

 

[Fisticuff697]

Hey guys. Im actually one of those overpaid mazda dealership techs. The only problem I have ever seen with random missfire from the bullet proof protege is problems with the egr, leaking regulator(make sure you check this), spark plugs( need to be replaced every 30k or it will take out the two coil pack) and every once in a while a leaking intake manifold gasket.ANY vacum leaks can cause missfires. ANY rich conditions can cause missfires, the computer can only see what SHOULD be there so anything that is leaking shouldnt be there and he wont see it. Lately we just got a recall for the butterfly screws....seems under a certain vin the little bastards will come loose and fly into your engine. good times. Anyways they are copper and dont cause much damage but closing the tip on the spark plug. As for fuel pumps they hardly go out. Listen do the smart thing, check fuel pressure with a gauge., if it is right ,bam, fuel is good. Check spark and ohm check the coils. If it is good, bam ,spark good. Ohm check the injectors and you guessed it, bam, if they are good your golden. give them a good bg cleaning and replace spark plugs. Also if you havent replaced your timing belt at 60k do that as well. If you still got some kind of a missfire than i would say pcm problem or internal short/open in wiring to the drivers for fuel injectors or driver for the primary side or the coil windings. Im ASE certified, mazda certified, College graduate. Just trying to help.

 

[wannabe]

The only problem I have ever seen with random missfire from the bullet proof protege is problems with the egr, leaking regulator(make sure you check this),

how would one check the leaking regulator?

Lately we just got a recall for the butterfly screws....seems under a certain vin the little bastards will come loose and fly into your engine. good times. Anyways they are copper and dont cause much damage but closing the tip on the spark plug.

oh yeah they do some damage...do a search around, a bunch of people have totally boomed the engine because of this, i know one guy that it happened to TWICE.

Also if you havent replaced your timing belt at 60k do that as well.

thats supposed to be done at 60k? i guess i need to recheck my manual...

 

[joka1]

its a thought though admittedly i have rarely heard of a coilpack going bad

unless you fry one............or 2........

 

[joka1]

Hey guys. Im actually one of those overpaid mazda dealership techs. The only problem I have ever seen with random missfire from the bullet proof protege is problems with the egr, leaking regulator(make sure you check this), spark plugs( need to be replaced every 30k or it will take out the two coil pack) and every once in a while a leaking intake manifold gasket.ANY vacum leaks can cause missfires. ANY rich conditions can cause missfires, the computer can only see what SHOULD be there so anything that is leaking shouldnt be there and he wont see it. Lately we just got a recall for the butterfly screws....seems under a certain vin the little bastards will come loose and fly into your engine. good times. Anyways they are copper and dont cause much damage but closing the tip on the spark plug. As for fuel pumps they hardly go out. Listen do the smart thing, check fuel pressure with a gauge., if it is right ,bam, fuel is good. Check spark and ohm check the coils. If it is good, bam ,spark good. Ohm check the injectors and you guessed it, bam, if they are good your golden. give them a good bg cleaning and replace spark plugs. Also if you havent replaced your timing belt at 60k do that as well. If you still got some kind of a missfire than i would say pcm problem or internal short/open in wiring to the drivers for fuel injectors or driver for the primary side or the coil windings. Im ASE certified, mazda certified, College graduate. Just trying to help.

if you want to help give us the vin numbers as well for the recall. and then dont pay attention to any mods listed as they are all fake........nothing to void any warrenties here!!

 

[ebmp5]

mine was fixed. my coil wasn't snapped all the way and they even readjusted rpm range.
so far no problem except my caliper, but that will get fixed this tuesday as well.
ebmp5 did you take it to dealer? i know it's high costs but for me they can find problem better.

yup to it to the dealer and they couldn't find anything they didn't charge me either

car lasted a while untill this weekend and it started triping again so i took it back.

also they reflashed my maf sensor with an update program that they have for the 02p5

 

[MatP5]

Change timing belt every 60k ? (boom07)

Mazda says 96k

Local reliable mecanics say 110-120k

 

[wannabe]

Change timing belt every 60k ? (boom07)

Mazda says 96k

Local reliable mecanics say 110-120k

glad its not just me that thought that sounded strange...