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1 post in this topic
Gentlemen (and Ladies)
So two weeks ago, my middle section decided that it no longer wanted to be attached to my back box. After a week of driving with what sounded like a bags of nails in my exhaust, I decided to go for a stainless catback system. My thought was, I would like a bit more noise, and it should be more efficient, due to reducing back pressure.
For the week before the mod (without the backbox attached), i seemed to get really good mpg, but on the first half a tank after the mod, the fuel gauge is dropping remarkably quickly.....and my driving style hasnt changed- if anything I'm being even more efficient so as not to get an ASBO (it's a lot louder than I thought it would be...gulp).
The new catback comes from after the post cat o2 sensor follows the standard exhaust route, and then bends under the rear suspension before bending again into the new back box. I've removed the middle box, and the new backbox is not far off being the same size, only difference is the new pipework from after the cat is 1/4" diameter bigger. That'll slightly kill air velocity, i know, but surely not much.
Any ideas on why this mpg seems to have taken a nosedive? I know the celica fuel guage likes to play about a bit, but this is a little bit too much. I'm thinking of doing an ECU reset, my thinking being this could be to do with the air/fuel mixture. I'll maybe do a MAF sensor clean too, but I'd be surprised if that was it, i clean that every time i do a service. Is there a set procedure for resetting the ECU? On other cars i've owned, if you don't follow a set procedure you can end up messing up the BSI etc. (they were french).
Any help appreciated,
Just gone to visit relatives, got half way there and could hear the exhaust blowing. Stopped off and couldn't see anything obvious from under the bonnet or from under the back of the car. Drove straight home with all windows open, had a look with a torch when on the driveway. Noise seems to be coming from the section from the manifold to the middle muffler box. The rear section looks a lot newer than the middle, so may have been replaced at some time.
As it's bank holiday everywhere seems to be closed or on limited hours, so a bit stuck for getting the car onto a ramp to take a proper look. Kiki fit are open but only got a tyre fitter in until Tuesday. Anyone else experienced this, and any rough ideas as to how much either the fast fit centres, or local garages would (or should) charge for this?
Not inclined to do stuff like this any more due to painful knees bought on by old age... Just wondering how many of my "grey pounds" I will end up parting with... Car is Avensis 1.8 vvti auto, 2001.
Many thanks in advance for member's thoughts or answers.
Rare UK manual model with low mileage (123K) for its age (1996).
Mechanically sound - a great and reliable runner, superb for eating up the miles on the motorways. Comes with 5 spoke alloys, power steering, electric windows and mirrors, CD player, ABS, front fog lamps, driver-adjustable headlamps and leather upholstery, which is showing signs of wear on the driver's side.
Power hood is a little tatty but still goes up and down. Apart from that it's all in VGC. Includes tonneau cover for hood when down.
A beautiful classic convertible - get cruising this summer!
Email me direct for more info on
So I'm in a dilemma. I currently have a 2007 Yaris 1.8 SR and I was initially looking at buying an axel back fom Japan such as the HKS Hi-Power and then having a custom mid pipe to the CAT. However, I've come across a titanium exhaust for the 1.3, and wanted to know if this could fit the 1.8 with minimal modifications on the hangers?
Let me know your thoughts.
I've had problems with my toyota, on one day for no reason at all i had TRC + VSC + engine fault came up. Went to like 3 services ( not toyota ) they all sayd its DPF, since it went into limp mode after like 10 miles. After i had my DPF removed, but it didnt end up on that. Now everytime i start driving 5minutes maximum, and ive got White cloud behind my car everytime i accelerate over 1.5k rpm, once releasing accelerator pedal, smoking stops but if i stop at traffic light all that smoke cloud covers my car, obviously i stopped using it. Manual diagnostic at toyota they asking for 100 pounds per HOUR, which is quite expensive just to diagnose the problem. Nothing on dashboard , smoke smells really bad, Use to have it over 2 weeks now, was driving 15miles to work everyday, since after DPF removal been told that exhaust is so badly blocked that it need to be burned by driving. After around 8 miles on motorway 70mph, TSC + VRC comes on, if i switch car off/on it dissapears.
Any ideas !?