Car won't start.....beginning to look expensive !

[merc85]

cam sensor?

[smithy]

1. Battery voltace checked and over 12.2v and cranking fine.
2. NO 12v at injectors, power IS getting to ECM.
3. Injectors NOT switching on crank.
4. Fuel pump seems fine, fuel under pressure at rail.

Just an idea it couldn't be the cam or crank senser because if they go down then the Ecu would not fire the injectors.just an idea that's all .

[Kingsford G]

Just an idea it couldn't be the cam or crank senser because if they go down then the Ecu would not fire the injectors.just an idea that's all .

Normally comes up on diagnostic unless the pick up point is out of line for which it`ll be cam belt jumped over but if it cranks ok it`s not that.

[smithy]

Normally comes up on diagnostic unless the pick up point is out of line for which it`ll be cam belt jumped over but if it cranks ok it`s not that.

As I said just an idea and I've none codes not come up and it's still the sencors .

[JUDGENINJA]

Come on Graham... 2-3 days!! It's going to cost me a quid!!

[LeeT5]

1. Battery voltace checked and over 12.2v and cranking fine.
2. NO 12v at injectors, power IS getting to ECM.
3. Injectors NOT switching on crank.
4. Fuel pump seems fine, fuel under pressure at rail.

If the ECM has power, ie 12v then this means that fuses 8 (60a) and fuse 10 (10a) are ok. If your fuel pump is working then this indicates that the Engine Control Relay is working via fuse 12 (20a). However, the Engine Control Relay also supplys 12v to the injectors via fuse 11 (10a). The fuel injectors on your car Graham do not get 12v from anywhere else other than Engine control relay via fuse 11 and fuse 8. This engine control Relay ALSO supplys 12v to the MAF sensor. So, if you don't have 12v at the MAF then the fault has to lie with the Engine Control Relay if fuses 8 and 11 are ok and have 12v going through them.

The main ECM has a direct 12v feed from the ignition switch at terminal A12, so if the ECM is powered up it won't tell you much.

If you don't have 12v at the injectors then you won't get a switching pulse anyway. Also, if the ECM is powered up then you should have a yellow engine management light on the dash.

You never did say, but did you have 5v at the MAF?

The fact your missing 12v at the Injectors is a good sign as far as i'm concerned and has nothing to do with the ECM.

[V70 Graham]

It ended up being 2 days.....

Anne got a phone call at lunchtime to say that they had received the new ECM, flashed it with software, fitted it, and the car started with the first turn of the key

Yes I suppose I could have gone down the route suggested by glock19 (post #52) hunting out a car of the same year to source the CEM, ECM and keys, but even if I had done all that how long would that one have lasted ? 10 years, 1 year, 1 month ?

At the end of the day Anne and myself had a chat and deceided that as we both enjoy the car so much it was worth the outlay, we feel our car is in good condition for the year and using it, attending meets and being on the forum is something we both enjoy, added to which we have met some great people on here.....how much is that worth ?

Are we glad the car is fixed.....yes

Are we thankfull for all your posts on this thread.....yes

Are we looking forward to the 'Softies' meet on Sunday.....yes

Are we looking forward to seeing Frankie's face as I snick the car into 3rd and pull away from him in whatever car he has next year at Santa Pod.....hell yeah (ok I made that one up )

Thank you all for your help and suggestions, VPCUK to the rescue again.

[M-R-P]

Glad she's running again mate.

As with my dim, you can indeed get second hand cheaper but like you say, how long will it last.

See ya soon

[Dangerous Dave]

Great news matey

Makes me quite glad I have a low-tech 850

[Harvey]

Great to see it on the road again.

[glock19]

Hey good to know it's back on the road. Mind telling how much it set you back ?
It's true you wouldn't know what condition the donor units will be and yo might be back to square one.
That's why I recommend it to be reman / repaired (if you were in my vicinity)

[stribo]

Glad it's sorted mate, see you both Sunday. BTW I've read somewhere that ECM's are renowned for packing up in cars that don't go over 30mph.

[M-R-P]

Hahaha nice one Steve

[V70 Graham]

Glad it's sorted mate, see you both Sunday. BTW I've read somewhere that ECM's are renowned for packing up in cars that don't go over 30mph.

Yeah, cheers.....MATE lol

[M-R-P]

Hey good to know it's back on the road. Mind telling how much it set you back ?
It's true you wouldn't know what condition the donor units will be and yo might be back to square one.
That's why I recommend it to be reman / repaired (if you were in my vicinity)

Although re-manufacturing is often a good means of getting it going again, there's still no way of knowing how long the repair will last.
If the eprom chip itself had failed, there's nothing you can do but replace. I'm not 100% that this was the problem with Graham's car but if it had been sent away for a few days to repair, only to find that there was nothing that can be done for it, that's another few days of no car plus more expense. Where as, it took 2 days for a new unit to arrive and be fitted and updated with the latest Volvo software, which SHOULD last indefinitely, I would personally take the hit. (after spending £732.50 on a new DIM, I should know)

[gsxrboy]

At the end of the day Anne and myself had a chat and decided that as we both enjoy the car so much it was worth the outlay, we feel our car is in good condition for the year and using it, attending meets and being on the forum is something we both enjoy, added to which we have met some great people on here.....how much is that worth ?

you can't put a price on that

[Dangerous Dave]

At the end of the day Anne and myself had a chat and deceided that as we both enjoy the car so much it was worth the outlay, we feel our car is in good condition for the year and using it, attending meets and being on the forum is something we both enjoy, added to which we have met some great people on here.....how much is that worth?

Brilliant way of looking at it! If it makes you happy, why sacrifice it.

[V70 Graham]

Hey good to know it's back on the road. Mind telling how much it set you back ?
It's true you wouldn't know what condition the donor units will be and yo might be back to square one.
That's why I recommend it to be reman / repaired (if you were in my vicinity)

More than we wanted to spend.....not enough to scrap the car

[V70 Graham]

Car has been collected this morning, after 3 bus rides totalling over 2 hours (blooming bus drivers )

After a quick wash, it's looking as good as ever, seems to drive more smoothly too now.

Right, off down to see M-R-P.....'bout time he fitted that steering wheel !

[M-R-P]

Pretty car