STD Maintenance General W123 Check Engine Light

W123 Check Engine Light

W123 Check Engine Light

 
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jkeam
Unregistered

3
04-01-2009, 07:04 PM #1
Hi, I just purchased an 84 300TD & loving it.

Only thing is that the check engine light comes on on idle when engine is cold but goes away once its in gear.

Any help would be appreciated.

Thanks
jkeam
04-01-2009, 07:04 PM #1

Hi, I just purchased an 84 300TD & loving it.

Only thing is that the check engine light comes on on idle when engine is cold but goes away once its in gear.

Any help would be appreciated.

Thanks

ForcedInduction
Banned

3,628
04-01-2009, 08:58 PM #2
There is no such thing. You're probably seeing the glowplug light tell you there is a bad glowplug.
ForcedInduction
04-01-2009, 08:58 PM #2

There is no such thing. You're probably seeing the glowplug light tell you there is a bad glowplug.

SurfRodder
Jackass Extraordinaire

611
06-09-2009, 11:45 PM #3
this will also happen if you have a short somewhere and also when the voltage regulator is going out/your alternator is weak....

W123 Mods: 4 speed ** manual climate control ** '85 Kalitucky intake ** manual windows & full tint ** Euro headlights retrofit w/bixenon projectors ** 4 brake light mod ** Vogtland 50mm drop front & Lesjofors S600 drop rear springs ** 16" rims ** late w126 brake spindles, rotors & calipers ** full suspension rehab ** Bilstein HDs ** AL129X alternator & 1/0 starter and charging cables ** 300GD clutch/flywheel ** AFCO 80103N radiator & Earl's 41610 oil cooler ** custom block-off plate, remote oil filter & t-stat ** MW IP w/ tomnik's 6.5mm 'Holly' elements **

S124 Mods: 400E Rear subframe ** SL600 Brakes ** Late 300E 210mm diff ** SLK230 6 speed ** 17" CLK rims ** Vented RF Fender ** Facelift Hood, Headlights, and Lower Cladding **

OBK# 62
SurfRodder
06-09-2009, 11:45 PM #3

this will also happen if you have a short somewhere and also when the voltage regulator is going out/your alternator is weak....


W123 Mods: 4 speed ** manual climate control ** '85 Kalitucky intake ** manual windows & full tint ** Euro headlights retrofit w/bixenon projectors ** 4 brake light mod ** Vogtland 50mm drop front & Lesjofors S600 drop rear springs ** 16" rims ** late w126 brake spindles, rotors & calipers ** full suspension rehab ** Bilstein HDs ** AL129X alternator & 1/0 starter and charging cables ** 300GD clutch/flywheel ** AFCO 80103N radiator & Earl's 41610 oil cooler ** custom block-off plate, remote oil filter & t-stat ** MW IP w/ tomnik's 6.5mm 'Holly' elements **

S124 Mods: 400E Rear subframe ** SL600 Brakes ** Late 300E 210mm diff ** SLK230 6 speed ** 17" CLK rims ** Vented RF Fender ** Facelift Hood, Headlights, and Lower Cladding **

OBK# 62

 
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