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• #35002
@Fixedwheelnut any ideas on Fuel Injection System Error fault showing on a 2002 E39 525d?
Car ran totally fine but the error came up after some moderately aggressive driving on the M25. Not fast, but a bit of repeated heavy acceleration involving the kickdown switch at the end of the pedal travel. I slowed right down and luckily South Mimms was only a few miles away so pulled in there and had a rest and a look under the bonnet. Nothing to see there, and when I turned it back on after 10 mins, the fault had disappeared.
Quick Google suggest fuel pump could be on its way out but if you have any other thoughts? Worth just plugging a fault code reader in and seeing what it says?
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• #35003
Glad I didn't get a petrol
I did. I hate the planet and my money though so no worries.
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• #35004
Ah, excellent. That'd be it I reckon. Test drove one on the weekend and apart from faded and badly repaired paint that was the only obvious niggle.
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• #35005
tldr - saab 9-5 update
Spent 3-4 hours in the car yesterday driving south. Managed 42mpg without trying to hard, half of it down about 60mph and the rest 80mph on the motorway. Car was fully loaded with kids and bags, so pretty happy with it.
Discovered one mismatching tyre on the rear though which bugs me. Is it a big deal? I know it's bad on a 4wd car, but does it matter on the rear on a fwd one?
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• #35006
nope, but then i don't do summer/winter tyres - just buy new tyres and drive till they need replacing, so I guess it could be a personal preference thing.
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• #35007
Miss matches tyres on the same axle isn't great. I'd change it, but then I have a compulsive disorder
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• #35008
is it like using different brands of batteries together?
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• #35009
No it's symmetry OCD.
Everything has to look right on both sides otherwise anxiety ensues.
Always best to use a mirror. Then you know your brain isn't lying.
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• #35010
But they're not connected in any way as it's a fwd, does it still make any kind of difference to security?
Half the point with this car is to not be so precious about as the merc, so I'm not bothered about it apart from a security pow
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• #35011
I expect it'll be fine. I'd just be plagued by thoughts of a grip difference between the two.
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• #35012
@kboy
Lift off or snap oversteer is a lot harder to control than understeer. bad or mismatched tyres at the rear on a FWD can make this happen quite easily. BUT, as long as each rear tyre has the same speed, load and wear rating, exact dimensions and general wear (tread depth) then it'll most likely be OK. Just don't hoon in the wet. -
• #35013
Especially if it's a Peugeot or Citroen and you've not experienced LOO before.
The 306's rubber mounts at one end nof the rear subframe do give you some passive rear-steer, which feels a little like it's about to let go, but actually extends the margin for error by making it easier for the rear tyres when you're hooning.
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• #35014
No hooning here, but I wouldn't mind being able to safely do 80mph on the motorway even if it's raining a bit.
Might do a damnit and just throw money at the problem
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• #35016
Meh. Given utterly identical road surfaces and utterly identical loads matching tyres are optimal, but I'd say so long as both have the same speed rating and similar tread depth you're highly unlikely to die.
Speshly in a diesel estate.
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• #35018
Wow. Half the cars ought there must be on odd tyres. They don't all go careering off go oncoming traffic at the slightest hint of throttle.
It's a Saab, no? Not an f1 car...
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• #35019
But this is LFGSS. Proceed immediately to the nearest kwik fit and have all 4 tyres changed for the most expensive brand they have. Get the wheels refurb'd at the same time and maybe consider changing all 4 discs and shocks.
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• #35020
^ useless without doing all the bushes and a full alignment.
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• #35021
That probably would make a massive difference
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• #35022
Kwik Fit?! An artisan tyre emporium please, where each tyre is hand made to an exacting specification based on a conversation with the driver.
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• #35023
^ha. Then check the pressures once every two years
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• #35024
Fill em with pure nitrogen, never check them again.
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• #35025
What about leaning?
Haven't had by 306 for about 5 years now, but apparently there are two obvious screws and also two non-obvious screws that have rubber washers:
http://www.306gti6.com/forum/showthread.php?id=135088
Think I've still got my Peugeot 306 Haynes manual at home...