Gremlin in the fuel tank?
Posted
#1654442
(In Topic #233937)
Old Timer
Whenever I start my car, it sounds like someone with a small mallet is banging against the side of the fuel tank every second.
Any thoughts?
Any thoughts?
Whip
/wip/
Noun - Car
When the steering wheel was first put into use in automobiles, it was called the whip. The term has now been generalised to classify any automobile.
/wip/
Noun - Car
When the steering wheel was first put into use in automobiles, it was called the whip. The term has now been generalised to classify any automobile.
Posted
Local Hero
For how long?
As soon as you stick the ign key in?
Just whilst it's spinning over on the starter?
All the time it's running?
As soon as you stick the ign key in?
Just whilst it's spinning over on the starter?
All the time it's running?
1983 Mars Red 1.8 Golf GTI
1987 Alpine White 1.8 Clipper Cabriolet
The trouble with doing nothing is that you never know when you are finished.
1987 Alpine White 1.8 Clipper Cabriolet
The trouble with doing nothing is that you never know when you are finished.
Posted
Regional Host NE
Re:
My fuel pump runs permanently with the ignition onEarly-1800 said
For how long?
As soon as you stick the ign key in?
Just whilst it's spinning over on the starter?
All the time it's running?
Sent from my SM-G960F using Tapatalk
Do not know a lot but willing to help if possible
1989 Sapphire Blue Mk1 Cabriolet KR
1985 Atlas Grey Mk2 GTI 2.0 ABF
1989 Sapphire Blue Mk1 Cabriolet KR
1985 Atlas Grey Mk2 GTI 2.0 ABF
Posted
Settling In
The only time I have experienced strange noises coming from the fuel tank was with a Caterham. The baffles in the tank had become loose and were floating around. The car also has tendency to stall when fuel was low going round sharp corners.
Posted
Local Hero
Sounds as if your fuel pump relay is toasted.
www,cabby-info.com has info on the relays and which ones to avoid as the circuitry is different. Yes there are a few bad ones out there.
Just had this happen to a guy in Chicago on his 92…
www,cabby-info.com has info on the relays and which ones to avoid as the circuitry is different. Yes there are a few bad ones out there.
Just had this happen to a guy in Chicago on his 92…
What do Divorces, Great Coffee, and Car Electrics all have in common?
They all start with GOOD Grounds.
Where are my DIY Links?
They all start with GOOD Grounds.
Where are my DIY Links?
Posted
Old Timer
I can't remember if it starts with ignition on, or only after the engine has started - it definitely continues for about a minute after the engine is started.
I'll record the sound next time I'm in it.
As far as the fuel pump goes, the is an initial buzz when you turn the engine on, then a different constant sound with the engine running. I think this is normal.
Something moving in the tank sounds quite possible. It's as though something that turns is tapping the side.
My 92 has a K-jet instead of the Digi now. Is it possible that it's the same relay issue?
I'll record the sound next time I'm in it.
As far as the fuel pump goes, the is an initial buzz when you turn the engine on, then a different constant sound with the engine running. I think this is normal.
Something moving in the tank sounds quite possible. It's as though something that turns is tapping the side.
My 92 has a K-jet instead of the Digi now. Is it possible that it's the same relay issue?
Whip
/wip/
Noun - Car
When the steering wheel was first put into use in automobiles, it was called the whip. The term has now been generalised to classify any automobile.
/wip/
Noun - Car
When the steering wheel was first put into use in automobiles, it was called the whip. The term has now been generalised to classify any automobile.
Posted
Regional Host NE
Re:
Why would it be a possible relay failure out of interestthe_whip said
I can't remember if it starts with ignition on, or only after the engine has started - it definitely continues for about a minute after the engine is started.
I'll record the sound next time I'm in it.
As far as the fuel pump goes, the is an initial buzz when you turn the engine on, then a different constant sound with the engine running. I think this is normal.
Something moving in the tank sounds quite possible. It's as though something that turns is tapping the side.
My 92 has a K-jet instead of the Digi now. Is it possible that it's the same relay issue?
Sent from my SM-G960F using Tapatalk
Do not know a lot but willing to help if possible
1989 Sapphire Blue Mk1 Cabriolet KR
1985 Atlas Grey Mk2 GTI 2.0 ABF
1989 Sapphire Blue Mk1 Cabriolet KR
1985 Atlas Grey Mk2 GTI 2.0 ABF
Posted
Old Timer
Briano said he had encountered something similar.nicci21paul said
Why would it be a possible relay failure out of interest
Okay…
I've attached an audio file. It might be hard to hear with headphones though.
Note there is someone sawing in the background.
You can hear one "bong" as pump goes before the engine is started.
Then as the revs start to settle, it starts doing it repeatedly.
The mic is near the back seat, so you can hear it quite clearly.
start.mp3
Whip
/wip/
Noun - Car
When the steering wheel was first put into use in automobiles, it was called the whip. The term has now been generalised to classify any automobile.
/wip/
Noun - Car
When the steering wheel was first put into use in automobiles, it was called the whip. The term has now been generalised to classify any automobile.
Posted
Local Hero
year would be nice to know and the injection type or carb.
What do Divorces, Great Coffee, and Car Electrics all have in common?
They all start with GOOD Grounds.
Where are my DIY Links?
They all start with GOOD Grounds.
Where are my DIY Links?
Posted
Old Timer
Car is 92, but engine is running k-jet from a 16v mk2.
Whip
/wip/
Noun - Car
When the steering wheel was first put into use in automobiles, it was called the whip. The term has now been generalised to classify any automobile.
/wip/
Noun - Car
When the steering wheel was first put into use in automobiles, it was called the whip. The term has now been generalised to classify any automobile.
Posted
Settled In
Does it do it every time you start, ie hot or cold? Could it be the exhaust warming up?
Posted
Regional Host NE
Re:
What is the difference between mk1 and mk2 k jet ?the_whip said
Car is 92, but engine is running k-jet from a 16v mk2.
Sent from my SM-G960F using Tapatalk
Do not know a lot but willing to help if possible
1989 Sapphire Blue Mk1 Cabriolet KR
1985 Atlas Grey Mk2 GTI 2.0 ABF
1989 Sapphire Blue Mk1 Cabriolet KR
1985 Atlas Grey Mk2 GTI 2.0 ABF
Posted
Local Hero
If you take the base of the back seat out and get to the fuel sender, start the car and if the noise happens unplug the electrical connector on top of the tank, the car will still run without the lift pump working and if the noise stops the problem could be your lift pump.
1988 Mk1 Golf GTi Cabriolet 1.8cc DX, K-jet. Daily drive. 317,000 miles and counting
1978 Mk1 Scirocco GLS 1.6cc FR, Webber carb. Weekend toy.
1978 Mk1 Scirocco GLS 1.6cc FR, Webber carb. Weekend toy.
Posted
Old Timer
jakethepeg007 said
Does it do it every time you start, ie hot or cold? Could it be the exhaust warming up?
Interesting thought. It happens when the ignition is turned on though.
nicci21paul said
What is the difference between mk1 and mk2 k jet ?
ISV and ECU?
mark1gls said
If you take the base of the back seat out and get to the fuel sender, start the car and if the noise happens unplug the electrical connector on top of the tank, the car will still run without the lift pump working and if the noise stops the problem could be your lift pump.
Great idea. I can test it without opening exposing the inside of the tank.
Whip
/wip/
Noun - Car
When the steering wheel was first put into use in automobiles, it was called the whip. The term has now been generalised to classify any automobile.
/wip/
Noun - Car
When the steering wheel was first put into use in automobiles, it was called the whip. The term has now been generalised to classify any automobile.
Posted
Regional Host NE
the_whip said
jakethepeg007 said
Does it do it every time you start, ie hot or cold? Could it be the exhaust warming up?
Interesting thought. It happens when the ignition is turned on though.
nicci21paul said
What is the difference between mk1 and mk2 k jet ?
ISV and ECU?
mark1gls said
If you take the base of the back seat out and get to the fuel sender, start the car and if the noise happens unplug the electrical connector on top of the tank, the car will still run without the lift pump working and if the noise stops the problem could be your lift pump.
Great idea. I can test it without opening exposing the inside of the tank.
i do not have an isv or ecu as such
Do not know a lot but willing to help if possible
1989 Sapphire Blue Mk1 Cabriolet KR
1985 Atlas Grey Mk2 GTI 2.0 ABF
1989 Sapphire Blue Mk1 Cabriolet KR
1985 Atlas Grey Mk2 GTI 2.0 ABF
Posted
Old Timer
Does it with the lifter pump disconnected :/
Interestingly, the car doesn't start well the first time. After it has run for 30secs-1min, it will start instantly without making the strange sound.
Interestingly, the car doesn't start well the first time. After it has run for 30secs-1min, it will start instantly without making the strange sound.
Last edit: by the_whip
Whip
/wip/
Noun - Car
When the steering wheel was first put into use in automobiles, it was called the whip. The term has now been generalised to classify any automobile.
/wip/
Noun - Car
When the steering wheel was first put into use in automobiles, it was called the whip. The term has now been generalised to classify any automobile.
Posted
Old Timer
Okay…
I disconnected the 5th injector, and now it starts fine
Does that mean it's running rich?
I disconnected the 5th injector, and now it starts fine
Does that mean it's running rich?
Whip
/wip/
Noun - Car
When the steering wheel was first put into use in automobiles, it was called the whip. The term has now been generalised to classify any automobile.
/wip/
Noun - Car
When the steering wheel was first put into use in automobiles, it was called the whip. The term has now been generalised to classify any automobile.
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