Lots Of Lights On Dash - update

Nova2k7

Senior member
 Halifax - West Yorkshire
ok so this starts about 12 months ago when one day i got in the car and put my foot on the break and the car didnt idle correctly! the revs jump widely up and down and sometimes almost stall!! ive also noticed that when my foot is on the break pedal and the gas peddle is pressed the car does not rev?? the rpm just slowly climes to about 1200rpm and then stops, then as you take your foot from the peddles the cars rpm drops so that the car almost stalls. now during this time ive had no lights on the dash and once the car warms the symptoms are less. sometimes at lights when the breaks are pressed the rmp climbs to 1000rpm and the drops once the breaks are released. now from the research ive done over the last twelve months ive been led to think this could be an issue with the break servo? although my indy says all the lines to the servo look fine and cant see any leaks which could cause a vacuum leak!

video


now today i was coming home and had some of the following lights come up!



im now completely stumped as to what the problem might be and where to start looking to get this resolved!
 
Battery nearly flat or dying?

I had a Volvo V70 once that had a dying battery due to a failing alternator. It used to throw loads of dodgy messages as the battery was getting low and on our cars with a fly by wire throttle too, anything can happen!
 
itguy said:
Battery nearly flat or dying?

I had a Volvo V70 once that had a dying battery due to a failing alternator. It used to throw loads of dodgy messages as the battery was getting low and on our cars with a fly by wire throttle too, anything can happen!

hmm never thought about the battery, but why would the symptoms be less once the car warms?
 
because the alternator would have had a chance to get some juice in the battery by then maybe?

If the battery or alternator is weak it may be that the engine needs to be running for a while to get the system to a level of charge that it can cope with everything.

I think Halfords do a free battery healthcheck don't they?
 
itguy said:
because the alternator would have had a chance to get some juice in the battery by then maybe?

If the battery or alternator is weak it may be that the engine needs to be running for a while to get the system to a level of charge that it can cope with everything.

I think Halfords do a free battery healthcheck don't they?

hmm i have had a few other strange things happen in the past, about 12 months ago, the radio came on and not NOT turn off!! even with the key out!was seriousley thinking about discconeting the battery. at the time i put it down to having my Parrot kit fitted though
 
Yes, a weak battery can cause all manner of strange electrical behaviour. I still think the brake/idle thing is a leak and not electrical, though I allow it could somehow be electrical. Has anyone tested the servo itself for leaks? If the diaphragm has perished, no outward leaks may be apparent, but it will not hold vacuum when tested.

As for the lights, they are untrustworthy with a weak battery. Some of them could mean something in combination, but others are completely unrelated. It's not worth trying to make anything of them until the battery is known healthy. If it's not the battery itself, some faulty wiring or similar must be at play, as such lights occurring together is highly unlikely for any usual problem.
 
bcworkz said:
Yes, a weak battery can cause all manner of strange electrical behaviour. I still think the brake/idle thing is a leak and not electrical, though I allow it could somehow be electrical. Has anyone tested the servo itself for leaks? If the diaphragm has perished, no outward leaks may be apparent, but it will not hold vacuum when tested.

As for the lights, they are untrustworthy with a weak battery. Some of them could mean something in combination, but others are completely unrelated. It's not worth trying to make anything of them until the battery is known healthy. If it's not the battery itself, some faulty wiring or similar must be at play, as such lights occurring together is highly unlikely for any usual problem.

Thanks for this! Not yet had the servo itself tested or the battery! Will get these done this week hopefully!
 
If you have a volt meter then see what voltage your battery is holding, hopefully around 12-13v. Also when the car is running go across the terminals of the alternator and check your getting a charging voltage of about 14v.

It does sounds like a low voltage problem.
 
Mark-Z4 said:
If you have a volt meter then see what voltage your battery is holding, hopefully around 12-13v. Also when the car is running go across the terminals of the alternator and check your getting a charging voltage of about 14v.

It does sounds like a low voltage problem.

hmm interesting ill get this checked before i run onto the garage tomorrow!
 
ok so today took the car into the garage! i have a corroded chock block in the headlight and this is why my sidelight wont work but thats another story. basically he says the issue looks like it could be electrical but says everyone he has asked doesn't know what it could be. he thinks it could be the MAF causing the issue. now when i bought the car i was told there was an issue with the MAF but after finding a split pipe but the issue down to this. could the MAF cause this type of thing?
 
In your shoes, given the cost of labour/parts if you start trying stuff, think I'd definitely get a battery check or maybe even just get a new battery - rule that one out, as it could be a cheaper* solution.

* - I don't actually now how much a battery for one of these costs...
 
bcworkz said:
Yes, a weak battery can cause all manner of strange electrical behaviour. I still think the brake/idle thing is a leak and not electrical, though I allow it could somehow be electrical. Has anyone tested the servo itself for leaks? If the diaphragm has perished, no outward leaks may be apparent, but it will not hold vacuum when tested.

As for the flashlights, they are untrustworthy with a weak battery. Some of them could mean something in combination, but others are completely unrelated. It's not worth trying to make anything of them until the battery is known healthy. If it's not the battery itself, some faulty wiring or similar must be at play, as such lights occurring together is highly unlikely for any usual problem
.
Full agree with you buddy. We know there is worthless a light if it has weak battery. Make sure to provide a good battery and must be check it before final delivery.
 
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