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Old 17th December 2021, 11:57   #1
coolguy
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Default Fuelling problem.

It was all going so well at the MOT test until my ZT V6 auto cut out and would not restart. Suspect fuel pump, but it is running - just not enough pressure to get fuel though, so is it likely to be the fuel pump failing or something else. All suggestions gratefully received.
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Old 17th December 2021, 12:43   #2
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It's very unlikely to be the pump Malcolm. They are extremely reliable. If you have measured low pressure then check that the filter canister hasn't loosened and that it has the "orange clip" fitted. A forum search will provide lots of information.

Simon
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Old 17th December 2021, 12:46   #3
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Well if it's running but no fuel coming through it could be the pump is worn out or you don't have enough fuel in the tank.

Plus a check with what Simon's post says.
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Old 17th December 2021, 17:44   #4
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Non start on an early petrol engine = first check is has the fabled orange clip (FOC) been fitted to the fuel filter to prevent fuel filter syndrome - ie filter separation causing fuel pressure loss - as raised by Simon. If not then a possible a £5 fix
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Old 17th December 2021, 19:38   #5
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Could need one of these---




Attached Images
File Type: jpg Orange clip goes here..jpg (98.7 KB, 20 views)
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Old 17th December 2021, 21:33   #6
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Quote:
Originally Posted by coolguy View Post
It was all going so well at the MOT test until my ZT V6 auto cut out and would not restart. Suspect fuel pump, but it is running - just not enough pressure to get fuel though, so is it likely to be the fuel pump failing or something else. All suggestions gratefully received.
Maybe worth reading through/following this recent thread about a similar engine with similar problems: https://www.the75andztclub.co.uk/for...d.php?t=316691
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Old 18th December 2021, 09:08   #7
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Quote:
Originally Posted by Yorkshire GOC View Post
Non start on an early petrol engine ...
Just to prevent any misunderstanding, it's the later design of fuel filter which is prone to separation.

Simon
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Old 19th December 2021, 17:32   #8
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Originally Posted by SD1too View Post
Just to prevent any misunderstanding, it's the later design of fuel filter which is prone to separation.

Simon
True - sorry about that - the honeycomb filters
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Old 6th January 2022, 12:11   #9
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Thanks for all the suggestions guys. My mechanic has just rung to say the filter had collapsed. Now sorted, and a new MOT, with just 2 advisories - slight oil leak (been there for ever and doesn't use any oil) and a deteriorating rear number plate (which is the original from Perry's of Leeds 19 years ago in March!) so not too bad all told.
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Old 6th January 2022, 18:15   #10
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Quote:
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My mechanic has just rung to say the filter had collapsed. Now sorted - -
A collapsed filter? - - -anyway, I hope he fitted the orange clip on the housing or it's odds-on you'll face the FFS curse again - sooner or later.
Good luck.
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