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Thanks for the replies...appreciate it. That stuff about the pressure switch is interesting - good to know... ...at least I understand what's goin' on with the fan + air con now. Makes perfect sense. Thanks LOSH - I don't think I'll be fixing the air con any time soon. As no one said it's a...

Makes sense...and it's nice to know what's goin' on with the air con and fan. I thought it was probably somethin' like that. I'm a bit reluctant to test the PCM's ability to turn on the fan... ...as it's ALWAYS been way too late. You can 'smell' the engine starting to cook before it comes on...

Hi All, I was driving over heavy corrugations and the air con 'popped'. (eg: Sudden short hiss - I soon discovered it spat out coolant from the somewhat corroded accumulator thing at the front of the radiator.) Not sure if it's related but a short while after that I noticed that the thermo fan...

Hi All, I was driving over heavy corrugations and the air con 'popped'. (eg: Sudden hiss - discovered it spat out coolant from the somewhat corroded accumulator thing at the front of the radiator.) Not sure if it's related but a short while after that I noticed that the thermo fan wasn't...

====================== = Oct 2016 - Update = New Alternator = $200+ New Regulator = $60 ---> $100 Brushes = Under $10 Note 1 : Brushes were no longer available at Repco, Supercheap, Autobarn etc. (or the wreckers for that matter.) I did find an auto electrician who sold them and also...

Thanks for the advice VTL67Calais. See how I go when I replace it. Incidentally, it didn't leak a drop today when I drove into town...mebbe coz I changed the (in car) heater settings??? Diabolical! Anyway, it drips on to the chassis rail and runs down to the front where there's a drainage...

Yeah...stick3...thats the right fing. Thank you very much. $32 bucks @ Supercheap

It might also be known as the HEATER WATER VALVE??? Small silver canister thing...drivers side...has the heater hoses connected to it. (Skinny hose from the top of it goes into the firewall) SUPERCHEAP couldn't find it in their database...so any help on the name of the thing would be very...

Hello, Just noticed my VACUUM CONTROL VALVE has a fairly fast leak (dripping). I'm not familiar with this device and a search didn't help much. Any advice on repair/replacement would be very much appreciated. Easy to repair or quick fix? How much to replace??? Thanks in advance.

I checked that purge hose as suggested. (TB ---> Black box behind the drivers side head - 2 hoses and electrical plug) It's connected and seems to be in pretty good condition. I didn't even know that fing was there...always good to learn about a new doodad...lolz. Thanks mate.

lolz I guess I shoulda explained... The mechanic was busy and just had a quick look...completely free of charge. No complaints here.

*** UPDATE *** Took the car to a mechanic...first thing he noticed was how tight the throttle cable was. He maintains the cable should be fairly loose and have a fair amount of play in it. So he slid the cable out of the bracket just before the throttle body to free it up a little... ...which...

I added some diagnosis stuff to this thread (post #2) which you may have missed... http://forums.justcommodores.com.au/vr-vs-holden-commodore-1993-1997/217019-vs-fuel-pump-test-how-bridge-relay.html ...might help you with this situation?

I thought, on a VS, the Oil Pressure Switch only comes into play once the engine is running??? In any case, as far as I know, Bridging the Relay takes the OPS out of the equation. EDIT: Actually, EPHECT may be right...it may depend on the model of the car. There's an interesting, albeit...

================= Reasons for doing this... Negates the 2 sec prime ---> Fuel pump runs all the time ----> easier diagnosis Negates the FP Relay ----> which may be causing problems Negates the Oil Pressure Switch ----> which is part of the circuit and may be causing problems. Also, pretty much...

================== Yeah...do what Yoshi says. As he says...if there is low pressure before the filter it means the problem is the sender or inside the tank. eg. Fuel pump weak or some kinda blockage. It's difficult to diagnose fuel problems when you're by yourself...and only have that 2 sec...

================================================= = TESTING OUTCOMES + DIAGNOSIS = When the RELAY BRIDGE is enabled and assumed to be working... 1 - If the pump DOES NOT run when you bridge the relay Check the 15A Fuel Pump fuse highlighted in the above pic --->[first post - 01relay.jpg] Check...

================================================== = VS Fuel Pump - Test + Diagnosis - How To Bridge the Fuel Pump Relay = Take out the FP relay (in the engine bay) and bridge (connect) the appropriate pin slots with some thickish electrical wire. (On my 95 VS Exec (Dual Fuel), it was the...

Thank you for the replies JXW and Mudfish...all valid advice which I have taken onboard. The LPG system is IMPCO circa 1995 - variety unknown. Will have another look over the weekend...will re-check the codes, check for vacuum leaks and clean up a few things with TB/Carby cleaner. I'll post...

Car runs fine on petrol but stalls on LPG under braking or turning corners. Used to be occasional but is getting worse...now surging/stalling at 60 kmh. No problems when doing 110 kmh. Ok, read lotsa threads can't find a definitive answer...could be lots of things. Leads, coils, IAC valve...

=================== Nice one mate...ty for da pic. Must admit I was skepticool at first...but after seeing the pic, all cheese aside...I reckon it's pretty cool. Don't worry about what other peeps think/say...as long as YOU"RE happy with it. Sounds like you had fun and probably learnt a few...

======================= I've had lotsa probs with mine. A second hand sender from the wreckers is about $50. Anywho... ======================= = STANDARD FUEL PUMP TEST = 1] Bridge out the FP relay socket in the engine bay with a short piece of wire. (On mine it's Middle and North) (This sends...

= UPDATE = Was still having intermittent problems...one day I couldn't get the pump to work even with a bridged relay. Ok...back into the tank once again...retest that new pump. Anyway, found that the electrical plug that plugs into the actual pump wasn't connecting properly. It has little cut...

On my VS, when you pull out the FP relay, there's a continuous 12 volts from one of the slots (middle one?) that the relay plugs in to. It's always there...regardless of the state of the ignition - even if the key is withdrawn from the ignish. Must be a basic electrical problem (better than a...

Herein lies the problem...you can't test for power because it's only there for 2 secs...for the pump prime cycle - that's why you HAVE to bridge the relay. This also negates the oil pressure switch which is routed thru the relay...and the relay itself. Saves a lot of cold cranking and the need...

======================== Bridge the Fuel Pump relay Take out the FP relay (in the engine bay) and bridge (connect) the appropriate pin slots with some thick (auto electrical?) wire. (On my 95 Vs Exec it was the first two slots, nearest the firewall (or back of the car) - CHECK the wiring diagram...

Hi, I don't like leaving unresolved threads around so I guess I better answer my own question... I fixed the bad connection by bending the pins and rigging the plug so it can't move - somewhat surprisingly, the fuel pump is now working fine. (Dodgy temporary fix but should hold for a while -...

Thanks for the replies. Yep...could easily wire in another dangly male plug...if I had one...but it seems to test ok. When bridged...there is good continuous power (eg. no wrigglin required) at pin 4 of the male plug that plugs into the tank assembly. Seems the male and female parts of this...

Hi All, I'm still having probs with my stoopid fuel pump. (It's a new GOSS...a bit mistreated from all the hassles I've been having : ) Discovered that the electrical plug that plugs into the fuel tank wasn't connecting properly. When I bridged the FP relay I could wriggle the wire or plug and...

Thanks NAAFan - nice to know I'm on the right track :-)

Howdy, I discovered that my fuel pump power lead (the four pin jobby that plugs into the fuel tank assembly) isn't connecting properly. With the relay bridged, so it gets power all the time, I can turn the pump on by pressing the left (earthing?) side of the plug. It's very, very touchy...moving...

Ah...ok...I was describing my VS exec...obviously the setup on your VR Clubby is a bit different..soz. It's just that I didn't find my intermittent problems (diff to yours tho) til I bridged the relay and found out the plug to the tank wasn't connecting properly. (a rare prob I guess) Anyway...

As you kinda say...can't see how a hot engine would drastically affect the fuel pump...besides the supply of power??? Although VR38 says a new pump fixed the problem...so who knows??? In any case, the oil pressure sensor feed is wired THRU the FP relay...so taking it out will stop the...

Yep, concur...DO what wortus said...helped me find a problem with my fuel pump power plug (to the FP assembly) which had me totally baffled. It wasn't connecting properly...hence intermittent failures...which is easy to blame on the fuel pump. On my VS exec, I bridged out pins/slot 3 + 5 on...

Hi jas Just curious mate...where have you been doing all this reading up on Goss fuel pumps...was it all on here? 'Coz I'm responsible for a few negative posts about them on JC...which as it turns out...may be unwarranted. I bort a new Goss fuel pump and put it in but had further troubles so...

Still failing...so I bridged the Fuel Pump relay today (pins 3 and 5 - the big ones)...and much to my surprise...discovered that the power plug going into the fuel tank assembly isn't connecting properly. It's really really touchy...I think it's the first earth pin...cleaned them up and bent it...

Well that could be good news...may mean the fuel pump is ok...which is likely as it's kinda new. Check the under car wiring for damage? Double check the relays fuses etc. Did anything happen the last time you drove it? The procedure, obviously, is to work your way back from that FP assembly plug...

My VS Exec has a four pin plug joining to the round outer fuel pump assembly right by the fuel tank...just above the rear axle. When testing with a light I only get power at two of the pins...which I assume is normal. With the clip on the plug to the top I get: Pin 1 - nuffin Pin 2 - Low (dim)...

My VS Exec has a four pin plug joining to the round outer fuel pump assembly right by the fuel tank...just above the rear axle. When testing with a light I only get power at two of the pins...which I assume is normal. With the clip on the plug to the top I get: Pin 1 - nuffin Pin 2 - Low (dim)...

Ok...that's bad. I'd be checking for power where I said...which, if there's power, means all your fuses and relays are prob ok and it's likely a pump failure. A pump failure means $80-100 and a messy hour or two working under the car inhaling the sweet scent of unleaded. :-) It's not a hard job...