|
|
|
#1
|
||||
|
||||
95 S500 Limp mode "dtc code 7"
Hi havent been on the forum in years! Im having problems with my w140 hoping I can get some help.
My car is stuck in limp/asr mode. Luckily my 95 has the L.e.d. near the f23 box. It blinked "code 7" According to 'K6JRF" website it listed code 7 as 'Ignition system defective' Ive replaced spark plugs wires, checked cap and rotor they seem to be in good condition. I cleaned off whatever carbon has built up. The car was running fine prior to it running out of gas and getting stuck into limp mode when it was restarted. My ETA is working and my maf was cleaned but with no progess. Every time I start the car it idles and isnt drivable. The ASR light is on, ive tried various ways to reset it but havent had any luck. Thanks
__________________
Current: 05 E320 CDI 07 GL320 CDI 08 Sprinter 05 Dodge Cummins 01 Dodge Cummins Previous 2004 E55 AMG 2002 C32 AMG (#2) 1995 E300 1978 300D 1987 300D 2002 C32 AMG(blown motor :[ 1981 300SD 1983 300SD 1987 300SDL 2002 Jetta TDI 1996 S420 1995 S500 1993 190E 2.6 1992 190E 2.3 1985 190E 2.3 5-Speed |
#2
|
||||
|
||||
Quote:
__________________
Jim |
#3
|
|||
|
|||
You need to have codes read from the EA computer to see why the ASR light is on.
__________________
MERCEDES Benz Master Guild Technician (6 TIMES) ASE Master Technician Mercedes Benz Star Technician (2 times) 44 years foreign automotive repair 27 Years M.B. Shop foreman (dealer) MB technical information Specialist (15 years) 190E 2.3 16V ITS SCCA race car (sold) 1986 190E 2.3 16V 2.5 (sold) Retired Moderator |
#4
|
||||
|
||||
I actually found out I have more then one code. 6,7,10, and 11.
So my maf is bad, my ETA is bad, ignition, and a computer. I think I may just get a new motor considering the cost of all those items collectively equal to a new engine and R&R. Kinda sucks for just running out of gas... I can accelerate but the pedal basically has to touch the kick down switch in order for the throttle to respond. It also Wont go any faster then 20-25mph
__________________
Current: 05 E320 CDI 07 GL320 CDI 08 Sprinter 05 Dodge Cummins 01 Dodge Cummins Previous 2004 E55 AMG 2002 C32 AMG (#2) 1995 E300 1978 300D 1987 300D 2002 C32 AMG(blown motor :[ 1981 300SD 1983 300SD 1987 300SDL 2002 Jetta TDI 1996 S420 1995 S500 1993 190E 2.6 1992 190E 2.3 1985 190E 2.3 5-Speed |
#5
|
||||
|
||||
Just for review . . . has the engine wiring harness been replaced? If not, there's your culprit.
Last edited by JimF; 12-11-2011 at 02:45 AM. |
#6
|
||||
|
||||
If it was running completely fine before running out of gas, I'd say something needs resetting. Did you work the throttle from under the hood with the key on? That will put you in limp mode. Try clearing codes, and depressing the gas pedal fully with the key on/engine off. If nothing else is wrong, that should get you out of limp mode.
__________________
1983 380SL 1995 C280 1995 S500 coupe 1990 Mazda Miata 2004 Suzuki Hayabusa |
#7
|
||||
|
||||
I've never changed the wiring harness, and judging by the looks of it, It's original.
Yes the car literally ran out gas, after refueling It took a bit of cranking to get it restated. I never messed with the throttle linkage under the hood but I did play with key and pedal. Do I need a scanner to reset the codes or can I use the l.e.d.?
__________________
Current: 05 E320 CDI 07 GL320 CDI 08 Sprinter 05 Dodge Cummins 01 Dodge Cummins Previous 2004 E55 AMG 2002 C32 AMG (#2) 1995 E300 1978 300D 1987 300D 2002 C32 AMG(blown motor :[ 1981 300SD 1983 300SD 1987 300SDL 2002 Jetta TDI 1996 S420 1995 S500 1993 190E 2.6 1992 190E 2.3 1985 190E 2.3 5-Speed |
#8
|
||||
|
||||
. . change the W/H . . your luck has just run out! And, unfortunately, it probably blew an ECU due to shorted wires. It's not the first this has happened.
|
#9
|
||||
|
||||
I reset the codes. I'm trying various ways of clearing the asr light. I tried to put it into diagnostic mode by connecting pin 1&6 on the 38pin diag connector but no luck.
Is there any way I could test the w/h?
__________________
Current: 05 E320 CDI 07 GL320 CDI 08 Sprinter 05 Dodge Cummins 01 Dodge Cummins Previous 2004 E55 AMG 2002 C32 AMG (#2) 1995 E300 1978 300D 1987 300D 2002 C32 AMG(blown motor :[ 1981 300SD 1983 300SD 1987 300SDL 2002 Jetta TDI 1996 S420 1995 S500 1993 190E 2.6 1992 190E 2.3 1985 190E 2.3 5-Speed |
#10
|
|||
|
|||
I agree that you should change the wire harness for sure, but have you tried to reset adaptation for the computer just to see if you can get the car going again?
After you've cleared all the codes out and are only getting a single flash after pushing the button, hold the button down for 6-8 seconds 2 seconds after you see the single flash, turn the key off for 2 seconds, then on for 10 seconds and then start the engine. I don't know if this will help but I don't think it can hurt either.
__________________
1993 400E, 256,000 miles (totaled) 1994 E420, 200,000+ miles 1995 E420, 201,000 miles |
#11
|
||||
|
||||
So Ive finally gotten around to ordering the parts. I purchased: 2 computers, new maf, new wiring harness. Hopefully this fixes the problem
My question is how do I remove the computers? They seem to be really stuck in there, I dont want to break the connections removing them incorrectly. Thanks
__________________
Current: 05 E320 CDI 07 GL320 CDI 08 Sprinter 05 Dodge Cummins 01 Dodge Cummins Previous 2004 E55 AMG 2002 C32 AMG (#2) 1995 E300 1978 300D 1987 300D 2002 C32 AMG(blown motor :[ 1981 300SD 1983 300SD 1987 300SDL 2002 Jetta TDI 1996 S420 1995 S500 1993 190E 2.6 1992 190E 2.3 1985 190E 2.3 5-Speed |
#12
|
||||
|
||||
TTT
__________________
Current: 05 E320 CDI 07 GL320 CDI 08 Sprinter 05 Dodge Cummins 01 Dodge Cummins Previous 2004 E55 AMG 2002 C32 AMG (#2) 1995 E300 1978 300D 1987 300D 2002 C32 AMG(blown motor :[ 1981 300SD 1983 300SD 1987 300SDL 2002 Jetta TDI 1996 S420 1995 S500 1993 190E 2.6 1992 190E 2.3 1985 190E 2.3 5-Speed |
#13
|
||||
|
||||
Status update still stuck in ASR mode
Still having ASR problems after replacing parts.
List of parts replaced: 1. New wiring harness 2. 2 new computers, n30/1 & n3/1 3. new maf 4. new plugs & wires The car starts and idles nicer but its still in ASR limp mode. No dials work and I keep getting code 6,7,11. Any help appreciated!
__________________
Current: 05 E320 CDI 07 GL320 CDI 08 Sprinter 05 Dodge Cummins 01 Dodge Cummins Previous 2004 E55 AMG 2002 C32 AMG (#2) 1995 E300 1978 300D 1987 300D 2002 C32 AMG(blown motor :[ 1981 300SD 1983 300SD 1987 300SDL 2002 Jetta TDI 1996 S420 1995 S500 1993 190E 2.6 1992 190E 2.3 1985 190E 2.3 5-Speed |
#14
|
||||
|
||||
Wow, you have spent some $$$$ for the parts . . .
I suggest you get your ohmmeter and perform the tests outlined at the bottom of Victor's page here. There's video (SL500 bench test) that will guide you through the procedure. Turn the engine off and remove the connector end of cable to gain access to the pins. Post what you find . . . |
#15
|
||||
|
||||
Yeah took some time but im still willing to spend a little more to get this car fixed. At the price I paid for it I figure with all the repairs it will add up to its current value...
Anyway, Im thinking I may go with a used or rebuilt ETA from ebay? My guess is the wiring for my current ETA is probably as bad as my wiring harness. Every wire was cracked and exposed on my main wiring harness, I cant imagine what the ETA harness looks like...
__________________
Current: 05 E320 CDI 07 GL320 CDI 08 Sprinter 05 Dodge Cummins 01 Dodge Cummins Previous 2004 E55 AMG 2002 C32 AMG (#2) 1995 E300 1978 300D 1987 300D 2002 C32 AMG(blown motor :[ 1981 300SD 1983 300SD 1987 300SDL 2002 Jetta TDI 1996 S420 1995 S500 1993 190E 2.6 1992 190E 2.3 1985 190E 2.3 5-Speed |
Bookmarks |
Thread Tools | |
Display Modes | |
|
|