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Honda Jazz Mk1 2002-2008 / Re: Heavy Smoke on Right Turns???
« Last post by Marco1979 on Today at 07:46:44 AM »Are you sure it is engine related? Seems like one of the tires is touching another part when cornering.
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Honda Jazz Mk1 2002-2008 / Re: Jazz running rich - MAP sensor faulty?
« Last post by olduser1 on December 13, 2024, 10:17:22 PM »What changed last ?
If oxygen sensors are from internet or Amazon then start there.
OE sensors or Denso NGK at a push
If oxygen sensors are from internet or Amazon then start there.
OE sensors or Denso NGK at a push
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Honda Jazz Mk1 2002-2008 / Heavy Smoke on Right Turns???
« Last post by Tim M on December 13, 2024, 10:02:34 PM »We have a 2004 Jazz 1.3 that runs like a top except on spirited off ramps (especially the 270 degree curves) will spew bluish smoke out the tail pipe. We have connected this to the loss of oil in the sump - 2 quarts in 4000 miles. No leaks on the ground - thankfully. Honestly, it could be on left turns as well, but no opportunities here in Germany to demonstrate that easily.
Admittedly, I've fitted this Jazz with Eibach sport springs and drive it on the 'cam' as much as possible...which means round the corners with gusto! But this Jazz will leave a smoke screen when warm, higher rpm, and hard corner - why? It is not the piston rings - no smoke any other time. Not the valve seals as it happens on neutral and full throttle.
Additionally, we've had two other Jazz's and neither have had this issue driven the same way.
It appears the oil puddles and then when we turn it flows into the intake manifold somehow. The hose going to the intake piping after the air filter and before the throttle body is dry. I wonder if the PCV valve is not functioning correctly? Or maybe the baffles in the valve cover (are there any?) are causing an issue...
I can't take this on the Nurburgring if every hard right corner, it puts out a smokescreen! :-)
Admittedly, I've fitted this Jazz with Eibach sport springs and drive it on the 'cam' as much as possible...which means round the corners with gusto! But this Jazz will leave a smoke screen when warm, higher rpm, and hard corner - why? It is not the piston rings - no smoke any other time. Not the valve seals as it happens on neutral and full throttle.
Additionally, we've had two other Jazz's and neither have had this issue driven the same way.
It appears the oil puddles and then when we turn it flows into the intake manifold somehow. The hose going to the intake piping after the air filter and before the throttle body is dry. I wonder if the PCV valve is not functioning correctly? Or maybe the baffles in the valve cover (are there any?) are causing an issue...
I can't take this on the Nurburgring if every hard right corner, it puts out a smokescreen! :-)
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Honda Jazz Mk1 2002-2008 / Re: Air filter box swap
« Last post by Tim M on December 13, 2024, 09:47:02 PM »I don't know why Honda changed the setup...curious if more power is made...or is it a noise issue.
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Honda Jazz Mk1 2002-2008 / Re: Jazz running rich - MAP sensor faulty?
« Last post by Multiplier7 on December 13, 2024, 08:38:53 PM »There are a couple of things I would investigate further, but not sure how much information is available from a scan tool on a Jazz.
The amount of fuel that is injected into the engine is determined by the ECU calculating the mass of air that is being pulled into the engine.
To do this, it uses the MAF sensor (Mass Air Flow Sensor) which actually works be measuring the VELOCITY of the air in the intake, then uses other data such as air temperature, inlet diameter, air pressure to calculate the MASS of air accordingly.
See if you can see data from the MAF sensor and the air temperature sensors as those are the first things to suspect .... also look around for splits in hoses etc that can allow unmetered air to enter the engine without passing by the MAF sensor.
You could try unplugging the MAF to see what happens. You would probably get an error code, but the ECU should revert to a default map if it senses that the MAF is no longer present. Also, try gently cleaning the MAF sensor with some electrical contact cleaner (that completely evaporates) and a cotton wool bud to remove any residue that might be coating it.
This is the primary method that the ECU uses to calculate injecttion times etc. The O2 sensors take a while to warm up and get going, but when they do, the ECU looks at the data to determine how succesful it has been in producing the right mixture at the front end of the engine, and adjusts accordingly.
Hi,
thanks a lot for the reply. As far as I understand, the Jazz II doesn't have a MAF sensor but just a MAP sensor which the ECU uses to calculate the Mass Air Flow. I will again next week check the values of this with a diagnostic tool and see if they align with recommended values corresponding to different RPMs. Update since this post was made: we recently checked the fuel injectors and they seem to be spraying ok and don't seem broken in any way. We will also do the smoke test to check for any leaks in/before the intake manifold. Is it common for the MAP/MAF sensors to fail? There also isn't any hissing sound for vacuum leaks but I guess this isn't always the case right? The diagnostic tool doesn't show any errors since the Oxygen sensors were replaced; it runs rich but not super rich.
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Honda Jazz Mk4 2020 - / Re: All modern conveniences
« Last post by Tombola on December 13, 2024, 08:02:31 PM »I think you will find that the ‘speed bongs’ are triggered by the Jazz front facing camera, not GPS.You're talking rubbish
I have a village local to me, normally subject to a 30mph limit.
However the residents raised a petition some time ago, seeking a reduction in the speed limit to 20mph.
In order to press the point, most their ‘dustbins’ (refuse collection bins) have had the number 20 painted on them.
Consequently, whenever I drive through the village on ‘dustbin’ day, the ‘bongs’ are triggered whenever I exceed 20mph.
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Honda Jazz Mk4 2020 - / Re: All modern conveniences
« Last post by Kenneve on December 13, 2024, 07:31:35 PM »I think you will find that the ‘speed bongs’ are triggered by the Jazz front facing camera, not GPS.
I have a village local to me, normally subject to a 30mph limit.
However the residents raised a petition some time ago, seeking a reduction in the speed limit to 20mph.
In order to press the point, most their ‘dustbins’ (refuse collection bins) have had the number 20 painted on them.
Consequently, whenever I drive through the village on ‘dustbin’ day, the ‘bongs’ are triggered whenever I exceed 20mph.
I have a village local to me, normally subject to a 30mph limit.
However the residents raised a petition some time ago, seeking a reduction in the speed limit to 20mph.
In order to press the point, most their ‘dustbins’ (refuse collection bins) have had the number 20 painted on them.
Consequently, whenever I drive through the village on ‘dustbin’ day, the ‘bongs’ are triggered whenever I exceed 20mph.
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Honda Jazz Mk4 2020 - / Re: In-Car User Manual Update
« Last post by ahavoja on December 13, 2024, 07:04:37 PM »I also got the user manual updated once. It happened when my car was parked close to my home, so I was able to connect it to the home WiFi. I wish the Garmin map could be updated over WiFi, but I guess it's not possible. Only a USB drive can be used for map updates.
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Honda Jazz Mk4 2020 - / Re: In-Car User Manual Update
« Last post by Bristol_Crosstar on December 13, 2024, 06:49:26 PM »It doesn't have 'over the air' so must be either your phone or logged into your home wifi.
The car does have a sim card for emergency calls only in case of an accident
The car does have a sim card for emergency calls only in case of an accident
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Honda Jazz Mk4 2020 - / Re: Auto Climate or Air Con + Auto Climate
« Last post by Pine on December 13, 2024, 06:46:43 PM »At this time of year its hot conditioned air for me - lovely.
