STD Tuning Engine OM605 Troubleshooting

OM605 Troubleshooting

OM605 Troubleshooting

 
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Keino
GT2256V

151
09-15-2015, 01:15 PM #1
Any idea why the engine would run like this? 


After startup and a little idle, then some revving :

https://www.youtube.com/watch?v=oaaDCDey...e=youtu.be



On the road:

https://www.youtube.com/watch?v=o2bJj5kL...e=youtu.be


Sound like injector noise???
Keino
09-15-2015, 01:15 PM #1

Any idea why the engine would run like this? 


After startup and a little idle, then some revving :

https://www.youtube.com/watch?v=oaaDCDey...e=youtu.be



On the road:

https://www.youtube.com/watch?v=o2bJj5kL...e=youtu.be


Sound like injector noise???

barrote
Superturbo

1,627
09-15-2015, 03:41 PM #2
take valve cover off , check cam timing.
check injection pump timing,
my opinion valves coliding with piston or rod bearing due to missed timing.
anyway stop the engine imediatly, find the fault and then go on.
Sad my bad

FD,
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barrote
09-15-2015, 03:41 PM #2

take valve cover off , check cam timing.
check injection pump timing,
my opinion valves coliding with piston or rod bearing due to missed timing.
anyway stop the engine imediatly, find the fault and then go on.
Sad my bad


FD,
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Keino
GT2256V

151
09-16-2015, 07:34 AM #3
(09-15-2015, 03:41 PM)barrote take valve cover off , check cam timing.
check injection pump timing,
my opinion valves coliding with piston or rod bearing due to missed timing.
anyway stop the engine imediatly, find the fault and then go on.
Sad my bad


Pump is set to 12c   Isn't that a bit early?
7mm pump made by some guy, private I think, not a firm.
Might be the problem?

It's not my engine fyi.
Keino
09-16-2015, 07:34 AM #3

(09-15-2015, 03:41 PM)barrote take valve cover off , check cam timing.
check injection pump timing,
my opinion valves coliding with piston or rod bearing due to missed timing.
anyway stop the engine imediatly, find the fault and then go on.
Sad my bad


Pump is set to 12c   Isn't that a bit early?
7mm pump made by some guy, private I think, not a firm.
Might be the problem?

It's not my engine fyi.

barrote
Superturbo

1,627
09-16-2015, 10:15 AM #4
ok ok ok not your engine ... dadad was trying to help ....
check valve timing, after that check injection timing....
i´m going to write for the 1000th time , RIV method or locking tool is just a IP assembly procedure. to tune the IP MB recoment the stobe light device. why ? cause when a pump is built the injection start is done by the tecnician , and is not so strange to have 2or 3 dregree diff.
the stroboscopic light device read out the real injection happening, the other method is by listening the engine.
regards

FD,
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barrote
09-16-2015, 10:15 AM #4

ok ok ok not your engine ... dadad was trying to help ....
check valve timing, after that check injection timing....
i´m going to write for the 1000th time , RIV method or locking tool is just a IP assembly procedure. to tune the IP MB recoment the stobe light device. why ? cause when a pump is built the injection start is done by the tecnician , and is not so strange to have 2or 3 dregree diff.
the stroboscopic light device read out the real injection happening, the other method is by listening the engine.
regards


FD,
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Keino
GT2256V

151
09-27-2015, 08:46 AM #5
(09-16-2015, 10:15 AM)barrote ok ok ok not your engine ... dadad was trying to help ....
check valve timing, after that check injection timing....
i´m going to write for the 1000th time , RIV method or locking tool is just a IP  assembly procedure. to tune the IP MB recoment the stobe light device. why ? cause when a pump is built the injection start is done by the tecnician , and is not so strange to have 2or 3 dregree diff.
the stroboscopic light device read out the real injection happening, the other method is by listening the engine.
regards

Small update

Owner says compression is bad on 1st + 2nd cylinder.  Says idle is good however.
Keino
09-27-2015, 08:46 AM #5

(09-16-2015, 10:15 AM)barrote ok ok ok not your engine ... dadad was trying to help ....
check valve timing, after that check injection timing....
i´m going to write for the 1000th time , RIV method or locking tool is just a IP  assembly procedure. to tune the IP MB recoment the stobe light device. why ? cause when a pump is built the injection start is done by the tecnician , and is not so strange to have 2or 3 dregree diff.
the stroboscopic light device read out the real injection happening, the other method is by listening the engine.
regards

Small update

Owner says compression is bad on 1st + 2nd cylinder.  Says idle is good however.

barrote
Superturbo

1,627
09-27-2015, 11:06 AM #6
why that usually they die first in the 4th and 5th cyinders.... and when compression is bad they do make that noise , but a cloud of white smoke comes behind , wich leaves few doughts about the noise....
good luck then, opening the bastard...

FD,
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barrote
09-27-2015, 11:06 AM #6

why that usually they die first in the 4th and 5th cyinders.... and when compression is bad they do make that noise , but a cloud of white smoke comes behind , wich leaves few doughts about the noise....
good luck then, opening the bastard...


FD,
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Volker407
naturally aspirated

157
09-28-2015, 01:18 PM #7
(09-27-2015, 08:46 AM)Keino Small update

Owner says compression is bad on 1st + 2nd cylinder.  Says idle is good however.

How bad is the compression? ...numbers

To me it sounds like the pump timing is off more than 10 degrees.

Are the 12degrees you mentioned  refering to RIV method or static overflow timing?

It could also be possible the pump elements are not synchronized anymore.

Gruß
Volker
This post was last modified: 09-28-2015, 01:23 PM by Volker407.
Volker407
09-28-2015, 01:18 PM #7

(09-27-2015, 08:46 AM)Keino Small update

Owner says compression is bad on 1st + 2nd cylinder.  Says idle is good however.

How bad is the compression? ...numbers

To me it sounds like the pump timing is off more than 10 degrees.

Are the 12degrees you mentioned  refering to RIV method or static overflow timing?

It could also be possible the pump elements are not synchronized anymore.

Gruß
Volker

 
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