Intermittent won't start after warmed up
#1
Intermittent won't start after warmed up
1999 XK8. Normally runs fine no issues. I can drive it to work and then home at the end of the day, no problem. However, after the engine is warmed up it will refuse to restart if I stop somewhere briefly, like running to the grocery store. The engine will try to start and appear to start but only for a half second and then it will immediately die. It will do this repeatedly, like it is getting one shot of gas from the fuel injection and once that burns that's it, literally a half second. I can do that over and over with no success. If I let the car sit for 20-30 minutes it will start right up as though nothing is wrong. It is difficult to predict when this might happen. However, it does seem to happen on the warmer days. Typically I only drive it to work and back, so the frequency of occurrence is low; it only happens when I try to restart after the car is warmed up. I checked for thrown codes but there aren't any. Any assistance appreciated.
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#5
Responding to the two suggestions:
1) I checked the fuel pressure and it reads 35 psi, and has a slow bleed down.
2) There are no codes.
1) I checked the fuel pressure and it reads 35 psi, and has a slow bleed down.
2) There are no codes.
I'll certainly give that a try, but this only seems to happen after the car is warm and only effects the car when you try to restart after a brief errand. Wouldn't what you are describing affect performance under almost every condition, daily driving, etc...?
I know there are a number of issues with the throttle body on these cars. Would a problem with the throttle body cause an intermittent problem like this? I hate to purchase unneeded parts. Is there any method for testing the throttle body or its integral components, assuming throttle body malfunction is a remote possibility?
Thanks all for your assistance
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Charlene n John
XJ6 & XJ12 Series I, II & III
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09-28-2015 06:01 AM
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