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Richard
Richard, UK Car Mechanic
Category: UK Car
Satisfied Customers: 15508
Experience:  12 years as a technician at a Ford and Jaguar dealer Ford and Jaguar factory certified
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My 1999 xkr 4.0 ltr starts first time but wont idle just

Customer Question

Hi , my 1999 xkr 4.0 ltr starts first time but wont idle just stalls
JA: Is the check engine light on? Does the car stall at idle or when driving?
Customer: no the check engine light goes off, and car stalls on idle
JA: Are you fixing your XKR yourself? What have you tried so far?
Customer: I have tried an obd reader but there were no fault codes showing, also tried covering the key with tin foil but then the engine would not crank at all so the car must be seeing the key
JA: Anything else you want the mechanic to know before I connect you?
Customer: no thanks that is all
Submitted: 10 days ago.
Category: UK Car
Expert:  Richard replied 10 days ago.
How long does the engine stay running for after it starts?
Customer: replied 10 days ago.
Seconds only, if I try to give it more gas it splutters worse and stalls
Expert:  Richard replied 10 days ago.

First check the air intake tube and hoses for any cracks or damage. Another possibility is an issue with the timing chains. SOmetimes the secondary tensioners fail which can cause the chain to jump and even break. This can cause your problem. We also need to confirm fuel pressure to the injector rail. Let me know.