ML320 crank but no start please help
#1
ML320 crank but no start please help
Hey how are you? I have a ml320 long story short engine blew still cranked but sounded like diesel so i parked it at a mechanics shop he stole a bunch of parts so i took it from him bought new parts and new engine put the engine in and then took it to the dealer ship because it wouldn't start at all period so they said to many hands been on this vehicle and they wont work on it and they told me it was missing the transmission control unit so i didn't want to buy it because i thought it has nothing to do with engine starting and i was wrong after reading a couple articles i found that with out it the vehicle wont do nothing so i ordered it and installed now the engine cranks but no start so i thought its either gas or fire so there was gas so i tested for fire and i couldn't find fire anywhere on all the ignition coils but the last one at the end of the engine ignition number 3 it will fire so i thought that all the other ignition coils are bad so i thought for a moment let me swap places and took the working one and put it in place of ignition coil 1 so there was no spark but when i put ignition coil number 1 in place of number 3 it fires so now i know theres nothing wrong with coil but im lost and don't know what can it be please help me thanks in advance
#2
Super Member
Whenever you do any major work on the ML you need a pro level scanner to clear the codes. The ECM still thinks there is a problem. You need to scan the car
#3
#4
Senior Member
Join Date: Mar 2002
Location: Brisbane, Australia
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2002 ML320, 2003 A160
You know what else you could try? Using a period now and then.
If you installed the replacement engine yourself, then everything has to be plugged in properly for the engine to start, including the MAF sensor, O2 sensors, and coolant temp sensor. If you've checked everything twice, and still no start, then you might need a new crankshaft position sensor.
I doubt that absent TCM is a cause of no-start, but you're not going anywhere without one, even in limp mode.
If you installed the replacement engine yourself, then everything has to be plugged in properly for the engine to start, including the MAF sensor, O2 sensors, and coolant temp sensor. If you've checked everything twice, and still no start, then you might need a new crankshaft position sensor.
I doubt that absent TCM is a cause of no-start, but you're not going anywhere without one, even in limp mode.
#5
MBWorld Fanatic!
#6
You know what else you could try? Using a period now and then.
If you installed the replacement engine yourself, then everything has to be plugged in properly for the engine to start, including the MAF sensor, O2 sensors, and coolant temp sensor. If you've checked everything twice, and still no start, then you might need a new crankshaft position sensor.
I doubt that absent TCM is a cause of no-start, but you're not going anywhere without one, even in limp mode.
If you installed the replacement engine yourself, then everything has to be plugged in properly for the engine to start, including the MAF sensor, O2 sensors, and coolant temp sensor. If you've checked everything twice, and still no start, then you might need a new crankshaft position sensor.
I doubt that absent TCM is a cause of no-start, but you're not going anywhere without one, even in limp mode.
#7
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Join Date: Mar 2002
Location: Brisbane, Australia
Posts: 282
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2002 ML320, 2003 A160
You've got it going? That's good.
If you mean the plastic pipe at the bottom of the reservoir attached to the firewall, then the best way is to replace the reservoir. You've spent a lot on new parts for this car already, one more won't make much difference. Especially if this is what made the last engine blow up.
If you mean the plastic pipe at the bottom of the reservoir attached to the firewall, then the best way is to replace the reservoir. You've spent a lot on new parts for this car already, one more won't make much difference. Especially if this is what made the last engine blow up.
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#8
MBWorld Fanatic!
If you are referring to the nipple at the top of the radiator, you can try and super glue it. Other than that you need a new radiator.
#9