kv non starter

stoop44rio · 23-09-09, 07:25 PM

can a petrol engine become air locked? just changed the fuel filter and now have a non starter!! well starts for maybe two seconds then stops

any ideas??

4v6 · 23-09-09, 07:32 PM

Quote:

Originally Posted by stoop44rio

can a petrol engine become air locked? just changed the fuel filter and now have a non starter!! well starts for maybe two seconds then stops

any ideas??

Lol you got the filter on the right way round then?

cant become airlocked as the pump will force fuel around the system.
Likely youve disturbed the wiring plugs to the pump perhaps?

stoop44rio · 23-09-09, 07:46 PM

dont think i did but will double check tomorrow. anything else i could look over?

stoop44rio · 23-09-09, 07:47 PM

dont think i did but will double check tomorrow. anything else i could look over? it has started once and run for several minutes then cut out and hasnt restarted

BIGGYIN · 23-09-09, 08:22 PM

One thing to try,is the fuel pump relay???????
On one of mine,it would start,run for 20 minutes and then cut out.I thought it was dirt in the tank(or clogged,fuel filter),because after leaving it for about 10 minutes,it would start(1st time)again.I thought, it could be the dirt settling back down.
I changed both fuel filters,to find(in the end) it was a faulty fuel pump relay.

stoop44rio · 24-09-09, 08:37 PM

changed the relay last week also. wheres the second fuel filter? done the one at the pump/ accumulator

mikes2 · 24-09-09, 08:50 PM

it's only the early cars (pre 86) that had the pre-filter.

A non starter on the KV can only be one of two things. spark and fuel. Unless the timing has gone miles out but unlikely in this case

Are you getting spark ?

Are you getting fuel through ?

BIGGYIN · 24-10-09, 07:08 PM

Quote:

Originally Posted by stoop44rio

changed the relay last week also. wheres the second fuel filter? done the one at the pump/ accumulator

Did you get her going in the end?
If so what was wrong?

stoop44rio · 26-10-09, 09:51 PM

only got the car going yesterday!! i've been too busy with work and the house so it sat for at least a month maybe more. turned out to be the cold start valve was flooding the engine so now dis-connected and shes starting fine

only thing is its sounding very tappety which it wasnt before- maybe from lying up for a month or two?

BIGGYIN · 27-10-09, 07:24 AM

On my 2nd to last car,they,d done that.(disconnected wire)It started and ran fine to me,without it connected.Maybe for really cold starts?
Noisey tappets.As you said,not run for a bit.
Mine get a little noisey,when i need to top up oil.

24-09-09, 08:50 PM	#7
mikes2 4 ring whore! Classic Audi Club Member Join Date: Nov 2007 Location: Polmont Posts: 2,617	it's only the early cars (pre 86) that had the pre-filter. A non starter on the KV can only be one of two things. spark and fuel. Unless the timing has gone miles out but unlikely in this case Are you getting spark ? Are you getting fuel through ? __________________ 1991 90 quattro 20v sport 1991 90 quattro

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23-09-09, 07:46 PM	#3
stoop44rio Grown up member Classic Audi Club Member Join Date: Aug 2008 Location: antrim, ireland Posts: 504	dont think i did but will double check tomorrow. anything else i could look over?

23-09-09, 07:47 PM	#4
stoop44rio Grown up member Classic Audi Club Member Join Date: Aug 2008 Location: antrim, ireland Posts: 504	dont think i did but will double check tomorrow. anything else i could look over? it has started once and run for several minutes then cut out and hasnt restarted

23-09-09, 08:22 PM	#5
BIGGYIN 4 ring whore! Classic Audi Club Member Join Date: Mar 2009 Location: Merseyside Posts: 7,976	One thing to try,is the fuel pump relay??????? On one of mine,it would start,run for 20 minutes and then cut out.I thought it was dirt in the tank(or clogged,fuel filter),because after leaving it for about 10 minutes,it would start(1st time)again.I thought, it could be the dirt settling back down. I changed both fuel filters,to find(in the end) it was a faulty fuel pump relay.

24-09-09, 08:37 PM	#6
stoop44rio Grown up member Classic Audi Club Member Join Date: Aug 2008 Location: antrim, ireland Posts: 504	changed the relay last week also. wheres the second fuel filter? done the one at the pump/ accumulator

26-10-09, 09:51 PM	#9
stoop44rio Grown up member Classic Audi Club Member Join Date: Aug 2008 Location: antrim, ireland Posts: 504	only got the car going yesterday!! i've been too busy with work and the house so it sat for at least a month maybe more. turned out to be the cold start valve was flooding the engine so now dis-connected and shes starting fine only thing is its sounding very tappety which it wasnt before- maybe from lying up for a month or two?

27-10-09, 07:24 AM	#10
BIGGYIN 4 ring whore! Classic Audi Club Member Join Date: Mar 2009 Location: Merseyside Posts: 7,976	On my 2nd to last car,they,d done that.(disconnected wire)It started and ran fine to me,without it connected.Maybe for really cold starts? Noisey tappets.As you said,not run for a bit. Mine get a little noisey,when i need to top up oil.