'89 325i sport nonstarter??

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navi
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Post Thu Apr 13, 2006 12:17 am

hi 2 all, can anyone help i got an 89 325i sport bn runing fine headgausket went so left sitting about not used 2mounths approx in that time the battery when flat, took it off charged it up refitted it it wont start it spins over but dont apper 2b fireing fuel pumps fine anybody got anyidears?????? thanks.
wildeian
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Post Thu Apr 13, 2006 11:22 am

Mate, You should get the head gasket sorted before you try and start her up!
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Brianmoooore
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Post Thu Apr 13, 2006 1:53 pm

You could have dine serious damage if you have cranked it with a cylinder partly full of coolant.
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navi
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Post Thu Apr 13, 2006 7:43 pm

Brianmoooore wrote:You could have dine serious damage if you have cranked it with a cylinder partly full of coolant.
thanks 4 coment engine u/s anyway got a low mileage 1 2 go in need 2 start it so i can move it elsewere 2 change engine run it 4about 8 mounths with headgausket gone! it done well 2 get me about but it started smokeing really heavly so had 2 stop useing it sumps full of water iam woundering if the obc is not allowing it 2 fire up if not its gonner sit there 4 its fate 2 come try a few things 2day but no luck in the 3years ive owned it it all ways started never missed a beat any help would b a blessing!!!!!!!
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Post Thu Apr 13, 2006 7:52 pm

Is there a spark? fuel? what condition are the spark plugs in? if they have been left in a damp cylinder they will have corroded by now.


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wildeian
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Post Thu Apr 13, 2006 7:55 pm

If you try and start it up with water in the cylinder you will get a hydrostatic lock - pistons can't compress water so something else will have to give!!
Also, if water is in the sump the pickup will send it around the engine to lubricate, and water ain't a good lube!

I've seen the damage that can be done, and believe me you don't wanna be stood near it when the 'piston hits the fan!!'

My advise - tow it to where you need it to be!
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navi
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Post Thu Apr 13, 2006 9:01 pm

yer theres fuel preasant but no h.t at all change coil nowt could it b the obc theres a cut out built into that if iam right its never failed 2 start b4
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navi
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Post Thu Apr 13, 2006 9:52 pm

any more help b4 i burn it and claim! shame 2 c it go. theres no h.t at all is there any relays that control the ing circit if so were r thay??
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Brianmoooore
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Post Thu Apr 13, 2006 10:16 pm

Check, with a 12V lamp, not a meter, that there is 12V between the + terminal of the coil and the car bodywork or engine block, with the ignition on.
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navi
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Post Thu Apr 13, 2006 10:29 pm

thanks brain, iam getin wound up with this!!! i did put a direct feed on2 the pos side of coil and changed coil 2 nowt, i know engine is nackard thats y i got a low mileage 1 2 fit ,but as i cant get it started i dont wona pull it out till
i find y its not fireing it ran fine b4 battery went flat even in the state it was in. many thanks .wonted 2 get it fitted this w-end and start useing it.
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Post Thu Apr 13, 2006 11:21 pm

Basic fault finding required then.
Take a plug out, reconnect its lead and lay it on the rocker cover. Crank the engine and check that it gives a good healthy spark once every two turns of the engine.
If it doesn't, then link out the main DME relay and try again.
Still no spark, then the crank position sensor is suspect.
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navi
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Post Thu Apr 13, 2006 11:25 pm

thanks, where is the dme relay to b found please?
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Post Thu Apr 13, 2006 11:40 pm

navi wrote:thanks, where is the dme relay to b found please?
Under the cover beside the coolant tank, along side the fuel pump relay.
When you said you have fuel present, do you mean under pressure in the fuel line?
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navi
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Post Thu Apr 13, 2006 11:48 pm

Brianmoooore wrote:
navi wrote:thanks, where is the dme relay to b found please?
Under the cover beside the coolant tank, along side the fuel pump relay.
When you said you have fuel present, do you mean under pressure in the fuel line?
i belive so, am i rht in sayin the white relay is 4 fuel pump? if so this must have a live 2 it whitch would b the thick red 1? icant get 2 car now witch a pain, but it will give a chance 2 cool down thank you 4 being there!!
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Brianmoooore
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Post Thu Apr 13, 2006 11:53 pm

White relay is the DME (ECU) relay. Fuel pump relay is usually orange.
Spare socket is for a lambda sensor.
Link both relay sockets over, pin 30 to 87, but don't forget them and leave the links in place overnight.
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navi
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Post Fri Apr 14, 2006 12:02 am

Brianmoooore wrote:White relay is the DME (ECU) relay. Fuel pump relay is usually orange.
Spare socket is for a lambda sensor.
Link both relay sockets over, pin 30 to 87, but don't forget them and leave the links in place overnight.
theres 2 blk relays and 1 wht no lambda fitted 2 car!did pull all 3 out pins all clean.
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Brianmoooore
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Post Fri Apr 14, 2006 12:10 am

navi wrote:
Brianmoooore wrote:White relay is the DME (ECU) relay. Fuel pump relay is usually orange.
Spare socket is for a lambda sensor.
Link both relay sockets over, pin 30 to 87, but don't forget them and leave the links in place overnight.
theres 2 blk relays and 1 wht no lambda fitted 2 car!did pull all 3 out pins all clean.
Very strange - should only be two in there.
DME relay should have several red and red/white or red/yellow wires going to it.
Fuel relay should have red, red/white, brown/green and green/purple wires.
Lambda relay wires should all have green in them.
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navi
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Post Fri Apr 14, 2006 12:19 am

Brianmoooore wrote:
navi wrote:
Brianmoooore wrote:White relay is the DME (ECU) relay. Fuel pump relay is usually orange.
Spare socket is for a lambda sensor.
Link both relay sockets over, pin 30 to 87, but don't forget them and leave the links in place overnight.
theres 2 blk relays and 1 wht no lambda fitted 2 car!did pull all 3 out pins all clean.
Very strange - should only be two in there.
DME relay should have several red and red/white or red/yellow wires going to it.
Fuel relay should have red, red/white, brown/green and green/purple wires.
Lambda relay wires should all have green in them.
thanks 4 your help going 2 bed now and sleep on it! will cheak coulor of wires when i can get 2 car again.big thank you 4 now b in touch- i know the car had kat the deleted from factorey if thts any help???the cars not b messed about with in the past iam only 3rd owner.