|
11-01-2006, 02:16 PM | #1 |
Senior Member
Join Date: Mar 2005
Location: neither here nor there
Car: 1990 R32 GTR
Posts: 1,289
|
Car wont start
Hi all
Im having trouble getting fuel to my engine. I suspect the pump isent getting any power. It happened at the randomest time. Driving along in nates car and he was in mine, we pulled over on nebo to swap back, left it idleing, I went to drive off, it stalled, refused to turn back on. Had to be towed home. Now, despite my best efforts, it wont start again. I have no idea whats going on. Any help would be appreciated. //edit: Update: I pulled the fule lines off, and fuel pissed out of both the lines and the engine side. Theres plenty of fuel in there. Despite this, they engine will crank but will not ignite. I tried putting my old leads in. No good. Will try taking the plugs out next and making sure there all sparking. This happened once before, i stuck my hand into the engine bay and rattled a bunch of stuff around and it fixed itself. //edit second update: Apon applying a multimeter, set to pick up 20V, it would appear the fuel pump is not getting any power. I do not know why. The plug at the ECU seems fine. Im going to take it out and put it back in again, see if that helps, but does anyone elese know any reason why the ECU would see fit not to give the fuel pump any powah? //edit again. I appear to be getting powah to the pump now, however the battery is nearly flat and wont crank the engine fast enough to start. FU**. Need help Thanks Ian Last edited by Ian; 11-01-2006 at 04:05 PM. |
Sponsored Links |
11-01-2006, 05:44 PM | #2 |
Pandaspeed Racing
|
i still think there is a plug loose. the car cranks fine, starts and dies immediately! check allyour connections again
__________________
Life would be straight without twisties STOCK AS A ROCKET! •motor sport is dangerous and that accidents causing harm can and do happen and may happen to me. I accept the conditions of, and acknowledge the risks arising from, attending or participating in the event and being provided with the event services by CAMS and the Associated Entities I THINK I AM N2! |
11-01-2006, 06:13 PM | #3 |
Senior Member
Join Date: Mar 2005
Location: neither here nor there
Car: 1990 R32 GTR
Posts: 1,289
|
nah man, doesent ever start anymore. Just cranks. And now the battery is flat. Id say its used up all the fuel preasure it had and now since its not getting any more, its dieing.
I called out a RACQ guy today to give me a new battery, but he said go buy a charger. He then took an intrest in my car and decided to try and help me. We were at it for an hour and we determined that the fuel pump isent getting any power :P but theres power comming outa the computer just fine, so theres a dodgy relay somewhere that must of been on the blink and died last night. In other news, my multimeter is now broken! Or at least the earth thing snapped. |
11-01-2006, 06:47 PM | #4 |
コスモ
Join Date: Dec 2002
Location: Location: Vic
Car: Mazda '95 Astina I4, '86 B2K and '10 3 MZR-CD
Posts: 7,888
|
The circuit should go from ECU to a relay then the pump. If you have a wiring diagram it should point to where the relay is. It's a case of following the circuit through.
My 929 fuel pump won't work if the MAF isn't open just a little.
__________________
My 'stina Hatch |
11-01-2006, 07:25 PM | #5 |
Senior Member
Join Date: Mar 2005
Location: neither here nor there
Car: 1990 R32 GTR
Posts: 1,289
|
by MAF im assuming you mean AFM?
|
11-01-2006, 07:42 PM | #6 |
コスモ
Join Date: Dec 2002
Location: Location: Vic
Car: Mazda '95 Astina I4, '86 B2K and '10 3 MZR-CD
Posts: 7,888
|
Yeah, OK
__________________
My 'stina Hatch |
11-01-2006, 09:13 PM | #7 |
Senior Member
Join Date: Sep 2004
Location: n/a
Car: n/a
Posts: 10,929
|
it sounds like the engine fuse in the internal fuse box...
car will start but stop if not pressure on pedal. only an idea but give it a goe k. ryan |
11-01-2006, 11:44 PM | #8 |
Senior Member
Join Date: Mar 2005
Location: neither here nor there
Car: 1990 R32 GTR
Posts: 1,289
|
yeah we tried this... It was one of the first things we tried.
ill give it another go tommrow. Gota buy a new battery first. |
12-01-2006, 12:16 AM | #9 |
1ST BA TURBO MEMBER
|
Three little things. 1 there is a little plug light that fits in the injector wiring that will
flash when the injector fires a simple test to prove ecu. 2 what happened when you tried to arc the leads was there any spark. 3. After heavy cranking pop the plugs out and see if they are wet to indicate fuel. If the injectors fire and the plugs are wet then fuel and ecu are OK. Have you looked at the timing belt to make sure it hasn't come off the dizzy wouldn't fire when theres no bely.
__________________
If you want wind in your hair add a Hairdryer !!! |
12-01-2006, 02:30 PM | #10 |
Senior Member
Join Date: Mar 2005
Location: neither here nor there
Car: 1990 R32 GTR
Posts: 1,289
|
Okey. If the timing belt came off it would of been evil death stop in your tracks.... It kinda just stalled and then wouldnt start again.
Im thinking it might have something to do with fuel preasure. Im gona go get more fuel and fill the tank up to half, see if that helps at all. Were getting spark just fine. Havent checked the plugs, but I am 99.99 percent certain its the fuel pump. |
12-01-2006, 03:00 PM | #11 |
Pandaspeed Racing
|
ill have a look on saturday
__________________
Life would be straight without twisties STOCK AS A ROCKET! •motor sport is dangerous and that accidents causing harm can and do happen and may happen to me. I accept the conditions of, and acknowledge the risks arising from, attending or participating in the event and being provided with the event services by CAMS and the Associated Entities I THINK I AM N2! |
12-01-2006, 07:57 PM | #12 |
Senior Member
Join Date: Apr 2004
Location: SE QLD, Australia
Car: Turbo BG Astina
Posts: 792
|
Filling the tank up isn't going to do anything. I can't tell from the above if your pump is working or not. What happened when you took off the pressure line off the fuel rail and tried to start the car? Did fuel start to fill the bucket?
Also, can you now confirm 100% that you have 12v on the Black/pink wire at the fuel tank plug when tring to start the car?
__________________
BG Astina + GTR conversion + Microtech ECU + FMIC + 3" pipes and Exhaust x 21psi boost = 12.168 to the power of 326whp |
13-01-2006, 01:11 AM | #13 |
1ST BA TURBO MEMBER
|
If your getting spark its not a belt then.
__________________
If you want wind in your hair add a Hairdryer !!! |
13-01-2006, 05:01 PM | #14 |
Senior Member
|
do a computer test!!
i am a strong feeling it could be the AFM! Mine did the same thing. or, it could be a dead ECU! |
13-01-2006, 05:21 PM | #15 |
Senior Member
Join Date: Mar 2005
Location: neither here nor there
Car: 1990 R32 GTR
Posts: 1,289
|
Oookey... heres where we stand:
Its definatly the pump power suply. Taking the return line off and cranking the engine resulted in a whole lot of nothing. Rigging up a fused power supply (my stereo power cable unpluged from the amp and with a spliced speaker wire) and put that into the (black and pink) positive wire for hte fuel pump. Apon reconnecting the battery I hear a pump-like noise. Walla! the car starts! I then drove it up into my garage where I can jack it up easily and removed the wire. I have a sneak feeling a wire I found rolling around in my engine bay thats not pluged into anything may be the cuplrit. Problem is I cant find where the damned thing plugs in. Ah well. Progress! |
13-01-2006, 05:24 PM | #16 |
HONEYWELL REPRESENT
Join Date: Aug 2005
Location: Salisbury - Inner City
Car: 1997 BA Hardtop - Had a 2003 BJii J48 Sport20, and 2x bg SOHC astina hatches
Posts: 5,011
|
exellent will the car be ready 4 the cruise on the 4 of feb. because i can't wait to see it. i have never seen a bg turbo in real life before. :^)
|
14-01-2006, 01:39 AM | #17 |
Senior Member
Join Date: Mar 2005
Location: neither here nor there
Car: 1990 R32 GTR
Posts: 1,289
|
dear c*ap fu*k $hit!
I tried taking it for a test drive. Didnt even notice the heat guage. Was runing very hot. I dont think its done any dammage. It was a cold night and I was running it very slowly. However the heat guage was just bellow the H when I got home and it was only then I realised. The radiator fan aint going. **** **** ****. Anyway, I turned the engine off as soon as I had seen it. By this stage id been cooling the turbo for about 15 seconds and I had to make a quick decision about the turbo or the heat, and I decided to turn the engine off cold turky. The engine was running fine, maybe a bit underpowered. God Damn I hope the heads okey. I hope the turbo is okey. There were no evil signs or smokes or steams comming out of the engine, and it had plenty of radiator fluid. note to self: Keep an eye on the heat gauge! **** **** ****. |
16-01-2006, 01:32 PM | #18 |
HONEYWELL REPRESENT
Join Date: Aug 2005
Location: Salisbury - Inner City
Car: 1997 BA Hardtop - Had a 2003 BJii J48 Sport20, and 2x bg SOHC astina hatches
Posts: 5,011
|
have u had any luck witht the car of late apart from the over heating problem. and did u get that fixed.
|
17-01-2006, 02:16 AM | #19 |
Senior Member
Join Date: Mar 2005
Location: neither here nor there
Car: 1990 R32 GTR
Posts: 1,289
|
Car is now running and driveable. I droped tim home in it tonight .
Still issues with the front right wheel but its booked into ABS on wednesday to get sorted. |
21-01-2006, 10:34 PM | #20 |
Junior Member
Join Date: Nov 2005
Posts: 36
|
So exactly how did you fix it?
I have a Familia 4WD turbo rally car that is doing the exact same thing - starts but then dies as soon as you try to accelerate. Fuel pump is definately working because it pumps out a ****load with the line disconnected and you turn the key. Might try a fuel pressure gauge just to see if it's dropping out after it starts. Might also see how long it will idle.
__________________
Unlike my head, this space is no longer empty.... |
Thread Tools | |
Display Modes | |
|
|
Similar Threads | ||||
Thread | Thread Starter | Forum | Replies | Last Post |
How Do I Start Racing In My Car? | project.r.racing | Motorsports | 11 | 09-12-2006 05:45 PM |
Car Won't Start | W.A.I. | Performance & General Maintenance | 10 | 08-11-2006 12:32 AM |
help....car wont start anymore!! | SP02C | Performance & General Maintenance | 9 | 07-08-2006 06:48 PM |
my car won't start!!! | platypus | General Automotive Talk | 52 | 08-09-2004 11:55 AM |
help! my car wont start! | twilightprotege | Performance & General Maintenance | 4 | 23-08-2004 06:26 PM |