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[puffa]

hi,

This morning had the EML flash at me then go constant and the car was running like a bag of old nails, anyway did pedal trick to collect fault codes and the normal 0420,0430 popped up along with 0300 and 0304, so guess i need to change the coil pack on bank 2,4,6 and i guess thats what is causing the random misfire fault code  (0300) and the running lumpy like its on five cylinders,  I have only in the last few months changed 1,3,5... due to a similar problem but with bank 3.

The only code that came up that I cant work out is 0115  Engine Coolant Temperature Circuit High Input or could be
P0115 Engine Coolant Temperature Circuit Low Input

what is it, how do i fix it, where do i start ? Any ideas

Cheers

Steve

[unlucky mark mv6]

hi,

This morning had the EML flash at me then go constant and the car was running like a bag of old nails, anyway did pedal trick to collect fault codes and the normal 0420,0430 popped up along with 0300 and 0304, so guess i need to change the coil pack on bank 2,4,6 and i guess thats what is causing the random misfire fault code  (0300) and the running lumpy like its on five cylinders,  I have only in the last few months changed 1,3,5... due to a similar problem but with bank 3.

The only code that came up that I cant work out is 0115  Engine Coolant Temperature Circuit High Input or could be
P0115 Engine Coolant Temperature Circuit Low Input

what is it, how do i fix it, where do i start ? Any ideas

Cheers

Steve

Its probably an old fault code the ecu is digging up,which just needs clearing,as vauxhalls like to play these games sometimes.

[Welung666]

Right 0300 and 0304.... remove the 246 coil pack, check the centre rubber for oil, splits or white scorching and check the plug wells for oil etc. A misfire like that is normally caused either bu a fluid letting the spark escape or a split in the boot doing the same.

If you find it is split then just as a stop gap wrap a couple of turns of insulation tape over the cracked section and that'll stop the misfire.

[puffa]

Any other thoughts on code p0115 ?

Steve

[RobG]

Engine coolant temp sensor on the rear face of the engine between heads, Single connector

[puffa]

would this sensor be the cause of the check coolant message on the display screen or the need to change the expansion tank for the sensor inside ?

[RobG]

would this sensor be the cause of the check coolant message on the display screen or the need to change the expansion tank for the sensor inside ?

No, ECT sends temp info to the ECU. "Check coolant" relates to sensor in expansion tank. If level is OK, odds on the sensor is breaked

[puffa]

would this sensor be the cause of the check coolant message on the display screen or the need to change the expansion tank for the sensor inside ?

No, ECT sends temp info to the ECU. "Check coolant" relates to sensor in expansion tank. If level is OK, odds on the sensor is breaked

As i had suspected cheers Rob will sort out new expansion tank after I have sorted the misfire !!! 
cheers

Steve

[RobG]

About £35 fron VX

[puffa]

About £35 fron VX

Cheers Rob spot on, not worth messing around with second hand for that price......

steve