XJ6 S3 won’t start
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XJ6 S3 won’t start
So today it rained a lot, and I had to drive my Jag in a bunch of water of semi flooded roads. No issues on the way home, no weird behaviours, got home and parked by the curb.
Got back home and went to park the Jag on the driveway, started fine but made a weird clunk noise, kinda loud. I put in R, then D to manouver and parked just fine. Decided to try and start it again to see if the noise would happen a second time and it doesn’t start. Oxygen Sensor comes on when trying, like the car is in gear or something. Played with the gear selector, which was in P all the time, and no change.
What could have happened? I’m pretty confident all that water damaged something, for sure.
Got back home and went to park the Jag on the driveway, started fine but made a weird clunk noise, kinda loud. I put in R, then D to manouver and parked just fine. Decided to try and start it again to see if the noise would happen a second time and it doesn’t start. Oxygen Sensor comes on when trying, like the car is in gear or something. Played with the gear selector, which was in P all the time, and no change.
What could have happened? I’m pretty confident all that water damaged something, for sure.
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No crank at all. Just Oxygen Sensor light coming on as I turn the key.
Edit: so I heard it COULD be the neutral safety switch. I tried to play with the gear selector and kept trying to start in P or N. It started in P. I turned it off and tried again and same problem happened. Decided to move the gear selector lever slightly while holding the key in start position, it got the engine to crank briefly.
Edit: so I heard it COULD be the neutral safety switch. I tried to play with the gear selector and kept trying to start in P or N. It started in P. I turned it off and tried again and same problem happened. Decided to move the gear selector lever slightly while holding the key in start position, it got the engine to crank briefly.
Last edited by Eisenstein; Sep 25, 2018 at 09:46 PM.
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From: Pacific Northwest USA
The neutral safety switch does seems like a good possibility. It might need adjusting.
On early-ish Series III XJ6s the switch is mounted at the gearshift assembly. It can be adjusted by loosening the tiny screws and pivoting the switch.
Later cars...after 1984 or so, I've never known the exact changeover point.....the switch was moved to the left side of the transmission. It's a combination neutral switch and back-up light switch.
This describes adjusting the switch for the back-up lamps but the same process can be used to adjust it for neutral safety function:
Adjusting Backup Lamp Switch, Series III XJ6
Some of the later switches don't have an elongated hole to allow adjustment. In that case you'll have to remove the switch and enlarge the hole.
Cheers
DD
On early-ish Series III XJ6s the switch is mounted at the gearshift assembly. It can be adjusted by loosening the tiny screws and pivoting the switch.
Later cars...after 1984 or so, I've never known the exact changeover point.....the switch was moved to the left side of the transmission. It's a combination neutral switch and back-up light switch.
This describes adjusting the switch for the back-up lamps but the same process can be used to adjust it for neutral safety function:
Adjusting Backup Lamp Switch, Series III XJ6
Some of the later switches don't have an elongated hole to allow adjustment. In that case you'll have to remove the switch and enlarge the hole.
Cheers
DD
Last edited by Doug; Sep 26, 2018 at 07:07 AM. Reason: sp
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So looks like playing with the gear selector lever a little bit this morning and letting the car warm up helped. It hasn’t presented the problem for a while now. Still, I’ll definitely look into making sure that doesn’t happen again! Thank you Doug for the valuable information!!!
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