2000 Jaguar XJ8 Car wont start after running low on oil

ELASAGE

MEMBER
2000 JAGUAR XJ8
V8
2WD
AUTOMATIC
80,000 MILES

My car was running fine. Then it wouldn't start. I found that it was low on oil, very low as in out. I added oil but now it wont start. I think the sensor has to be reset perhaps but not really sure.

Monday, September 22nd, 2008 AT 1:23 PM

3 Replies

KHLOW2008

MECHANIC
41,814 POSTS

Hi elasage,

Thank you for the donation.

There is no sensor to reset so it should not be the cause. Check if it is ignition or fuel system failure causing the problem.

1. Ignition system failure.
IGNITION COIL
Turn ignition off.
Disconnect appropriate ignition coil harness connector.
Measure resistance between ignition coil terminals.
On S-Type, resistance should be.5-1.0 ohm. On XJR, XJ8 and XK8, resistance should be.54-1.04 ohms. On all models, replace ignition coil if resistance is not as specified.

2. Fuel system failure.
XJR, XJ8 & XK8
Regulated fuel pressure should be 43.5 psi (300 kPa) more than intake manifold pressure.

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Wednesday, September 24th, 2008 AT 12:05 PM

ELASAGE

MEMBER
2 POSTS

It now appears that no fuel is being "pumped" to the rails. I believe that the fuel pump needs to be replaced. Is this easy? Anyway to test this theory?

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Wednesday, September 24th, 2008 AT 12:09 PM

KHLOW2008

MECHANIC
41,814 POSTS

Hi elasage,

Check for blown fuses. # 7 (20A)
Check the fuel pump relay for power input and output to fuel pump.

Fuel pump is located in fuel tank and you need to remove the fuel tank to replace it.

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Thursday, September 25th, 2008 AT 10:04 AM