Techy question on an '82 911

Techy question on an '82 911

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Discussion

pikey

Original Poster:

7,700 posts

285 months

Monday 1st August 2005
quotequote all
My '82 911 has a problem starting and I wondered if anyone had advice / pointers.

Its on the drive and has been left there for a week where it was fine before leaving it. On trying to start this weekend, the symptoms indicated no fuel supply. (Turns over fine, half a tank of fuel). I called the AA man who turned up and told me the same (!)

Later that day I tried again and it started perfectly. I let it run for a few minutes then shut it off and 10 seconds later tried to start it but it wouldn't (this should rule out the immobiliser as this cuts in after 1 minute of ignition off).

Again this morning it turns over but no fuel...

The AA man diagnosed a broken fuel pump but with the fact that its given no warning, then "just started working" (then not!), my thoughts are veering down the loose connection somewhere path.

Has anyone any thoughs, experiences, helpful pointers?

Many thanks

Ben

verysideways

10,240 posts

273 months

Monday 1st August 2005
quotequote all
Ben,

This just screams DME RELAY to me.

I'm sure you can find a thread or two about it if you search the archives, or just call your local pork specialist and describe the symptoms and see what they say.

Let us know what happens.

VS

pikey

Original Poster:

7,700 posts

285 months

Monday 1st August 2005
quotequote all
verysideways said:
Ben,

This just screams DME RELAY to me.

I'm sure you can find a thread or two about it if you search the archives, or just call your local pork specialist and describe the symptoms and see what they say.

Let us know what happens.

VS


Cheers, however the DME (the brown relay that is under the seat)is for the 3.2s only and mine is an earlier version with the 3.0 and doesn't have that Boshtronic thingy-me-doo-dah that requires a DME relay.

I think I might give all the relays a damn good prod tonight anyway. I have a hammer somewhere from when I used to own TVRs - that may help

Thanks


pneumothorax

1,318 posts

232 months

Monday 1st August 2005
quotequote all
i' d be a bit disappointed with this aa man...the last one i had out de-wired an immobiliser in the pouring rain at mid-night...took him 2hrs!!!!show some of these guys a problem and they are like rats up holes...after he'd finished and i offered a tip he flatly refused and instead asked if he could drive around the car park which was now deserted. i've got an 89 3.2 and whilst things like your problem do happen it seems to fix itself more often than not...but from what i have read the first thing with this one is this relay thing.

rubystone

11,254 posts

260 months

Monday 1st August 2005
quotequote all
I'd ask a good autoelectrician to take a look - it may not be that obvious. For instance the indicators packed up on my 308 - my local autoelectrician diagnosed a faulty hazard light switch - not the first place I'd look!

pikey

Original Poster:

7,700 posts

285 months

Monday 1st August 2005
quotequote all
rubystone said:
I'd ask a good autoelectrician to take a look - it may not be that obvious. For instance the indicators packed up on my 308 - my local autoelectrician diagnosed a faulty hazard light switch - not the first place I'd look!


Cheers for that - I may welll do it after I've hit the relays!

pikey

Original Poster:

7,700 posts

285 months

Wednesday 3rd August 2005
quotequote all
Thanks all for the advice.

Got back to the car last night, reseated all the relays (only 5 of them).

Car's now fine

I knew it was something simple like that!

Cheers all for the tips!!

Henry-F

4,791 posts

246 months

Wednesday 3rd August 2005
quotequote all
The 3.0 SC has funny round relays above the fuses which always seem a little "loose". Very often wiggling the fuel pump relay will re-make the contacts. there is also interchangability between relays if you think the relay it`s self might be at fault, take the horn or electric window relay out and swap them around.

It`s also worth looking at the fuses, they are the old continental type and often corrode at the tips. A little sunday morning job for 3.0 SC owners, clean the ends of your fuses and the fuse holder !

A fuel pump can suddenly fail so don`t discount that totally.

As with al things get a good specialist to cast his eye over the problem and they should be able to cure all your woes.

Henry

ninemeister

1,146 posts

259 months

Wednesday 3rd August 2005
quotequote all
Henry-F said:


As with al things get a good specialist to cast his eye over the problem and they should be able to cure all your woes.

Henry



We're pretty hot on marriage guidance & family matters for sure.
I can't speak with authority on my colleagues Darn Sarf, I'm pretty sure they are more used to handling large sums of money and therefore should be able to help with financial counselling.....