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Car problem

THRILLER-DEEJAY Avatar
4y, 7m agoPosted 4 years, 7 months ago
I have a mk2 Mazda mx5 sport, the issue i have is when i drive it on a dual carriageway the exhaust starts to get louder and i can feel vibration from foot pedal . Is this because of the exhaust or the engine? Could it be a dead/ dieing cat because i did have a coil-pack problem for a while ? Any help would be much appreciated.
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THRILLER-DEEJAY Avatar
4y, 7m agoPosted 4 years, 7 months ago
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1 Like #1
whatsThePoint
i thought you were a bloke?


Lol i am, let me guess mx5 = hairdresser
#2
It's because you're ragging it and your wheels need balancing. HTH.
#3
Shengis
It's because you're ragging it and your wheels need balancing. HTH.




wheels are balanced and i don't rag it.

whatsThePoint
THRILLER-DEEJAY
whatsThePoint
i thought you were a bloke?


Lol i am, let me guess mx5 = hairdresser


yeah, a female hairdresser :|

anyway it could be an engine mount gone causing the vibs which has then caused the exhaust to crack as well



oh great , hope not.
1 Like #4
Cool story brah
#5
Sounds like an engine mount.

Slap in neutral, Rev it up, If you feel similar symptoms then that's most probably what it will be.

If it only does it when moving then it could be something else.
#6
if your feeling a vibration through the pedals, you may well have an engine misfire.
2 Likes #7
http://dl.dropbox.com/u/33963147/12907368[1].jpg
#8
shauneco
Sounds like an engine mount.

Slap in neutral, Rev it up, If you feel similar symptoms then that's most probably what it will be.

If it only does it when moving then it could be something else.


That sounds the place to start from.
#9
I'd have put the odds on a blocked/collapsed cat. converter. If you had a problem with a coil pack and this was left without immediate remedy, it will destroy the cat. Next time this happens, push the clutch down and see if the vibration continues. If it does, it is unlikely to be the cat.
#10
THRILLER-DEEJAY
Could it be a dead/ dieing cat


Doubt it. If it was dead it would probably have worked loose by now.
#11
thanks for all the suggestions, i will have to take it too the local garage, just don't trust any of them. They all seem to over charge or do a **** job.
#12
THRILLER-DEEJAY
thanks for all the suggestions, i will have to take it too the local garage, just don't trust any of them. They all seem to over charge or do a **** job.


that's a shame, as contrary to belief there are some decent garages out there.
#13
richp
THRILLER-DEEJAY
thanks for all the suggestions, i will have to take it too the local garage, just don't trust any of them. They all seem to over charge or do a **** job.


that's a shame, as contrary to belief there are some decent garages out there.


I guess there is but i can't find any locally, been to a place to ask them to do work and they basically couldn't be arsed to do it. ( my coil-pack was buggered i had intermittent misfire).
#14
I would have thought engine mount from the sounds of it, simple way to tell as suggested earlier rev it with the clutch in.
#15
THRILLER-DEEJAY
richp
THRILLER-DEEJAY
thanks for all the suggestions, i will have to take it too the local garage, just don't trust any of them. They all seem to over charge or do a **** job.


that's a shame, as contrary to belief there are some decent garages out there.


I guess there is but i can't find any locally, been to a place to ask them to do work and they basically couldn't be arsed to do it. ( my coil-pack was buggered i had intermittent misfire).


have you looked on the Good Garage Scheme site it might point you to a reliable garage.
#16
you drive an mx5 and you live in an area with untrustworthy people

oh dear, life not working out as you hoped?
#17
Engine on, neutral, driver door open, rev it up high, just before red line in a burst. You should hear the exhaust sound, a rattling noise. If this is the case, you are looking at the exhaust.

Get out of car, when it is cold, wiggle the exhaust and see if it knocks on anything underneath. This checks to see if the exhaust is mounted correctly.

Get someone else to sit in the car and pump the accellerator pedal, look under the bonnet and see if the engine is moving excessively, I would say over 1cm of wiggle, if it is, possible engine mount.

If the noise is no more when the car is stationery, I would suggest possible drive issue, which could be all sorts like gearbox clutch etc.
#18
Something else I thought of, check the oil level!
#19
richp
THRILLER-DEEJAY
richp
THRILLER-DEEJAY
thanks for all the suggestions, i will have to take it too the local garage, just don't trust any of them. They all seem to over charge or do a **** job.


that's a shame, as contrary to belief there are some decent garages out there.


I guess there is but i can't find any locally, been to a place to ask them to do work and they basically couldn't be arsed to do it. ( my coil-pack was buggered i had intermittent misfire).


have you looked on the Good Garage Scheme site it might point you to a reliable garage.


Thanks will have a look.
aircanman
Engine on, neutral, driver door open, rev it up high, just before red line in a burst. You should hear the exhaust sound, a rattling noise. If this is the case, you are looking at the exhaust.

Get out of car, when it is cold, wiggle the exhaust and see if it knocks on anything underneath. This checks to see if the exhaust is mounted correctly.

Get someone else to sit in the car and pump the accellerator pedal, look under the bonnet and see if the engine is moving excessively, I would say over 1cm of wiggle, if it is, possible engine mount.

If the noise is no more when the car is stationery, I would suggest possible drive issue, which could be all sorts like gearbox clutch etc.


Will try those tomorrow , thanks .
#20
aircanman
Something else I thought of, check the oil level!


Had oil change only 3 weeks ago, car has made noise for about 5 months, i don't drive much so just put up with it even though it does annoy me.
#21
THRILLER-DEEJAY
aircanman
Something else I thought of, check the oil level!


Had oil change only 3 weeks ago, car has made noise for about 5 months, i don't drive much so just put up with it even though it does annoy me.


Always worth having it sorted though because you never know when you will need it!
#22
The more you drive it as it is the more chance you could damage something else, Sounds like it's a simple issue that will be relatively cheap to sort out unless the cat has gone. Could be an ht lead, spark plug etc..

If the engines hesitant then possibly fuel filter, fuel pump etc..

Obviously misfires can damage the cat, If a cat becomes clogged, damaged it can cause back pressure which could cause the issues you describe, Especially at higher revs.
#23
Any feedback on the issues and things to try?
#24
aircanman
Any feedback on the issues and things to try?



exhaust seems to be mounted correctly i wiggled it it did move a small amount but seemed normal cos of the rubber mount's . i revved the engine and had the engine looked at for movement it did move by about 2cm, dunno if that's acceptable amount. Noise only starts if i drive above 60 for a few mins, stays noisy when driving at any speed after i have driven at speed for a while, same with vibration, otherwise stays quiet if i don't drive at speed above 50ish . vibration and noise happens in and out of gear. Confused i am.
#25
THRILLER-DEEJAY
aircanman
Any feedback on the issues and things to try?



exhaust seems to be mounted correctly i wiggled it it did move a small amount but seemed normal cos of the rubber mount's . i revved the engine and had the engine looked at for movement it did move by about 2cm, dunno if that's acceptable amount. Noise only starts if i drive above 60 for a few mins, stays noisy when driving at any speed after i have driven at speed for a while, same with vibration, otherwise stays quiet if i don't drive at speed above 50ish . vibration and noise happens in and out of gear. Confused i am.


If it happens in and out of gear then you can eliminate gearbox/drive, I would be inclined to change the exhaust now, check the scrap yards for one, much cheaper.
1 Like #26
It's a shame you are having trouble. I had a mk 2.5 Sport and it was a beauty (yes I am male and straight) and can only assume the mk 2 is just as good to drive.
#27
Could you explain the type of noise you are getting and how sure you are that it is the exhaust? If it is a droning noise at speed, it may relate to a worn wheel bearing. Just thinking outside the box.
#28
The Therapist
Could you explain the type of noise you are getting and how sure you are that it is the exhaust? If it is a droning noise at speed, it may relate to a worn wheel bearing. Just thinking outside the box.


This is a good point, it could be a bearing. Test for this is slightly steering to see if the noise gets worse or better.
#29
The Therapist
Could you explain the type of noise you are getting and how sure you are that it is the exhaust? If it is a droning noise at speed, it may relate to a worn wheel bearing. Just thinking outside the box.


aircanman
The Therapist
Could you explain the type of noise you are getting and how sure you are that it is the exhaust? If it is a droning noise at speed, it may relate to a worn wheel bearing. Just thinking outside the box.


This is a good point, it could be a bearing. Test for this is slightly steering to see if the noise gets worse or better.




Thanks will test this tomorrow. I do remember one wheel on the car not turning freely like the others when i had a look at brake pads a few months back . could that be the issue ?

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