2009 Superb CR170 2WD, no dieselgate fixes.

 

Previousy had dash warnings which raised P2563 and P2564 error codes read via a generic ELM OBD reader. These were not present at the time of the following fault, but have not been resolved.

 

Used car earlier in the day fine three trips of 30-40min each finishing with a short motorway run. Left car for a few hours and went to go out later. Car started fine sounded rough pulling up the slighyly sloped drive and stalled. Tried to start again and nothing. No warnings or attempt to fire, just spinning over.

 

The tank pump doesn't appear to be running but the ELM obd reports a 3000psi rail pressure while cranking. This drops to 1450 ish after cranking then drops suddenly to read 140ish but jumps between that and 156, I'm guessing that's just the reaolution of the sensor.

 

I can see some evidence of rubbing on a sheath protecting three wire running to what I think is the electric turbo actuator centre of the engine bay between the block and the fire wall, usually covered by the engine dressing. Unplugging this raised the P2563 fault again, but I think that may not be related to the original non-starting issue.

 

Did try a short fast charge yesterday which didn't help but will try a longer charge today as the battery is running flat. On the last attempt the OBD reader was reporting a crank speed of 150rpm. Is there a minimum speed that would cause the ECU to not fire the injectors?

Edited 18 March, 20197 yr by WesBrooks

Did also see a loose bolt holding the following sensor and bracket down impling the sensor has had a rough life recently. What is this sensor?

Edited 18 March, 20197 yr by WesBrooks

Owned this car for nearly 7 years now putting on 159,000 of the current clocked 259,000 miles. No recent servicing, only an MOT check.

Currently checking the user manual for the battery charger for full charge recommendations.

 

RING TradeCharge27

28 minutes ago, WesBrooks said:

Did also see a loose bolt holding the following sensor and bracket down impling the sensor has had a rough life recently. What is this sensor?

 

That bolt is often removed to move the sensor and it's bracket out of the way in order to access the oil filter directly below it. It either hasn't been replaced after a service or wasn't tightened and it's worked loose. You can see it close to my knuckles here.

 

Yours does look a little different to the one on my 2011 CR140 though...

 

 

If the battery is dying, then this would be my first port of call. Still being able to turn over the engine can often convince people the battery is OK. The reality is a dead or dying battery can result in some very unusual symptoms.

 

Edited 18 March, 20197 yr by silver1011

35 minutes ago, WesBrooks said:

Previousy had dash warnings which raised P2563 and P2564 error codes read via a generic ELM OBD reader. These were not present at the time of the following fault, but have not been resolved.

 

P2563...

 

 

P2564...

 

Thanks.

 

Why has the Turbo Charger Vane Position Sensor got two different references - G500 and G581?

Found the linkage coming out the bottom of the VNT Actuator in the first picture. I can touch it bit not apply any force. I'm hoping I'll be able to get it to move with a handheld vacuum tester.

Ok, got it running this afternoon. After the long charge it caught a couple of times held it at 2000 for a couple of minutes and then let it idle for 5 before going for a drive. Smoked a fair bit on start up. I've noticed my battery had a five year warranty, so I've started the process of replacing it under warranty (Bosch S5), but now I'm wondering if I simply interrupted a regeneration   at a bad time as it started fine twice since then. Odd. Will try for warranty  battery anyway