Reply With QuoteOH yeah when you turn the key its dead nothing..
ForumSage
SubscriberOk the trouble we have had upto today was the batery light has been coming on when i loked at the batery it was empty of water ,no leaks just evaporated so filled it up & was going fine the light went out & all was good. Then the other day it done the same the light came on so checked the batery again & it was low in some but not empty,so i toped them up fatty said that the light went out again.the batery is old now 4 years.But today fatty went to clean the house that she does & the car was fine, came home then had to go out again & while out the car wouldn't start & no one helped to jump it ,so i went down & jumped it ..BUT on the way home we only got half way it started to backfire so bad & loud & i sware i saw a flame pop out as i was behind her..So we went back to tow it home after lunch & fatty managed to snap my hightensile chain..So she had to drive it back got most of the way then it started to backfire again but we managed to get it home...Now i need to know could the battery have something to do with this as i think its dead I will test it later the sarve to make sure its charging from the alt.But i had a high energy coil laying around so i put it in fatty's crapota & i was wondering if it mite be this I still have the origanal so ican put it back in...But could a battery cause it to backfire if there isn't enuff power going to the coil....
The car is a toyota 4runner with 2.4 petrol naturally asperated...
I dont want to go & get battery & have it not be that..
After any advise please....
1969 LWB S2a yellow, gone
1972 LWB S2a 5 DOOR wagon coming & GONE
1973 LWB S3 green Sadly GONE
1977 LWB S3 tabletop building
1992 disco BOINGY BOINGY
My landrover doesn't leak oil , IT SWEATS POWER
JASON & KAREN
ForumSage
SubscriberOH yeah when you turn the key its dead nothing..
1969 LWB S2a yellow, gone
1972 LWB S2a 5 DOOR wagon coming & GONE
1973 LWB S3 green Sadly GONE
1977 LWB S3 tabletop building
1992 disco BOINGY BOINGY
My landrover doesn't leak oil , IT SWEATS POWER
JASON & KAREN
SysAdmin (Owner)
sounds like an ignition problem to me..
try the old coil...
2007 Discovery 3 SE7 TDV6 2.7
2012 SZ Territory TX 2.7 TDCi
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Swaggie
Jason, Sounds like the alternator is overcharging causing the battery to boil. This will ruin its ability to hold a charge, therefore the backfiring is possibly due to low voltages at the coil etc. Try another battery, then check the charge rate, should be between 13.2 and 14.5 volts. I'd bet you are seeing 17+ volts to cause that amount of boiling dry
Regulator has probably packed upWhat vehicle is it?
JC
The Isuzu 110. Solid and as dependable as a rock, coming soon with auto box😊
The Range Rover L322 4.4.TTDV8 ....probably won't bother with the remap..😈
ForumSage
Subscriber80 something toyota 4runner 2.4 petrol with carby.
Last edited by banjo; 5th March 2010 at 03:05 PM. Reason: AGAIN SPELLING
1969 LWB S2a yellow, gone
1972 LWB S2a 5 DOOR wagon coming & GONE
1973 LWB S3 green Sadly GONE
1977 LWB S3 tabletop building
1992 disco BOINGY BOINGY
My landrover doesn't leak oil , IT SWEATS POWER
JASON & KAREN
RoverLord
yep...
the batteries toasted...
either the alternators massively overcharging it or its FUBAR.
to check it....
measure the volts on the terminal of the battery then take out your landy, jump start the toymota and leave the leads connected after its started. check the voltage at the toymotas battery terminals.
then remove the jumper leads and measure again.
anything over say 14.4V is over charging This is boiling the battery (as pointed out by JC) shut it down and you need to investigate the charging circuit.
once its running if its getting more than say 13v on the terminals with no accessories on then in theory the charging side is good but to test it turn on every bit of electrical load that you can if the voltage stays over 13v then the alternator is capable of running the vehicle and charging the battery.
after its run for 10-20 minutes shut it down and measure the battery voltage. 20 minutes later measure the voltage again this generally gives you an indication of a battery thats just surface charging if it drops below 11v then its either toast or you have a huge parasitic load in the vehicle.
now turn the headlights on high beam. IF the battery was over 12v and dips below 11 the battery is toast.
If it holds 12V with the headlights on turn them off, pull the power feed for the coil and have someone crank the starter (caution some engines will need you to put a dummy load on the coils power feed) if the battery volts drops below 10V after about 5 seconds then the battery is also not happy.
A bad battery can cause all kinds of electrical issues and firing out the exhaust is a symptom of intermitant spark. What happens is the same deal as doing "key bangers" the unfired fuel air mix winds up in the exhaust and then the hot gas from the next power stroke ignites it.
Last edited by Blknight.aus; 5th March 2010 at 03:09 PM. Reason: credit to JC, english fix.
Dave
"In a Landrover the other vehicle is your crumple zone."
For spelling call Rogets, for mechanicing call me.
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Swaggie
Jason,Originally Posted by banjo
That model has an external reg from memory. Should be on the inner guard, LH side. Easy to change
There was a change to internally regulated Alternators late 80's, not sure what point though.
JC
The Isuzu 110. Solid and as dependable as a rock, coming soon with auto box😊
The Range Rover L322 4.4.TTDV8 ....probably won't bother with the remap..😈
ForumSage
SubscriberTHANKS dave when she brings the rover back i will try it all & let use all know THANKS HEAPS..
1969 LWB S2a yellow, gone
1972 LWB S2a 5 DOOR wagon coming & GONE
1973 LWB S3 green Sadly GONE
1977 LWB S3 tabletop building
1992 disco BOINGY BOINGY
My landrover doesn't leak oil , IT SWEATS POWER
JASON & KAREN
ForumSage
SubscriberI think its 87 from memery.Jason,
That model has an external reg from memory. Should be on the inner guard, LH side. Easy to change
There was a change to internally regulated Alternators late 80's, not sure what point though.
JC
1969 LWB S2a yellow, gone
1972 LWB S2a 5 DOOR wagon coming & GONE
1973 LWB S3 green Sadly GONE
1977 LWB S3 tabletop building
1992 disco BOINGY BOINGY
My landrover doesn't leak oil , IT SWEATS POWER
JASON & KAREN
OldBushie
Banjo,just to clarify,you call your wife fatty?,I mean no offence mate,just asking. Pat
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