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Matt
Matt, Mechanical Engineer
Category: Jaguar
Satisfied Customers: 21614
Experience:  BEng hons Mech engineering, in auto industry 22 years
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When I put my foot down hard the engine cuts out. I can restart

Customer Question

When I put my foot down hard the engine cuts out. I can restart instantly and accelerate gently up to about 80 and then it cuts out again if I press too hard
Submitted: 1 year ago.
Category: Jaguar
Expert:  Shantal-Mod replied 1 year ago.
Hello,
I'm Shantal and I'm a moderator for this topic.
I've been working hard to find a Professional to assist you with your question, but sometimes finding the right Professional can take a little longer than expected.
I was checking to see if you had already found your answer or if you still need assistance from one of the Professionals.
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Shantal
Customer: replied 1 year ago.
Still waiting for reply
Expert:  Matt replied 1 year ago.
Hello I'm assuming that this is the petrol engine X type? this sounds like a lack of fuel and could be a lack of fuel pressure from the electrical pump at the tank. If the connections to the pump are corroded or damaged then the pump could stop at any time or could not be running at full speed. Check that its relay switches in and out and the relay contacts are clean and bright – replace the relay if in any doubt and do the same for the fuse,Ideally measure the pressure at the injector rail and if this is low check the pump as described and also consider changing the fuel filter as if this partially blocked this too will reduce pressure.
Expert:  Matt replied 1 year ago.
Hi
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