car problem non-LR

**HangOver** · 25th February 2009, 03:42 PM

The missus has a daewoo matiz which has an odd intermittent fault.

Sometimes it will just go slower and slower until it stops. The more accelerator you use the slower it goes until it eventually stops as if it ran out of fuel then after about 10-15min it will start again.

I noticed last time if I eased right off the accelerator so its pressed only about 10ml and it will keep running, just.

Any ideas, welcome to just throw ideas in as I haven't got a clue.

Few more bits of info that might be relevant:
Only ever happens on hot days, around 35oC.
Starts first time every time when cold.
Happens with a full tank and with hardly any left.
year of matiz 2000

**V8Ian** · 25th February 2009, 03:44 PM

Fuel vaporization

mike 90 RR · 25th February 2009, 03:46 PM

Originally Posted by HangOver

Any ideas welcome

..... Blocked fuel filters ..... Sounds like fuel starvation

Mike

**HangOver** · 25th February 2009, 03:51 PM

Originally Posted by V8Ian

Fuel vaporization

Hmmm how can I stop that, or rather can I stop that?

Originally Posted by mike 90 RR

..... Blocked fuel filters ..... Sounds like fuel starvation
Mike

Chage of filters is quickn cheap n easy I'll start there, the only thing I'v actually tried is new ignition leads and plug

Thanks for the quick responses !

**V8Ian** · 25th February 2009, 03:56 PM

Originally Posted by HangOver

Hmmm how can I stop that, or rather can I stop that?

Cool wet rag on the fuel line, at the closest point to the exhaust would be a good pace to start.

mike 90 RR · 25th February 2009, 03:57 PM

Another thought if fuel filters don't pan out ....

If it's fuel injection .... could be failing fuel pressure regulator .... on Rover V8 ... this is located on the RHS rear (drivers side) of the fuel rail

Wildcard is ..... water in fuel .... But lets not go there

**V8Ian** · 25th February 2009, 04:01 PM

Originally Posted by mike 90 RR

LHS rear (drivers side)

Hey Mike when did Wait Awhile start driving on the right hand side of the road?

mike 90 RR · 25th February 2009, 04:05 PM

Originally Posted by V8Ian

Hey Mike when did Wait Awhile start driving on the right hand side of the road?

.... Very funny ....

.... I just edited it

**agrojnr** · 25th February 2009, 06:01 PM

It could be blocked breathers to the tank

One way to find out is when it stops go and open the fuel cap and see if there is a rush of air

Adam

**HangOver** · 25th February 2009, 09:51 PM

hey guys, it have a couple of things to try now at least, thanks

really odd its only when its hot though

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