how to check fuel pressure? - PeachParts Mercedes-Benz Forum

250 Coupe · #1 03-07-2007, 12:16 AM

Quote:

Originally Posted by throne7

By the way, how do you normally check for sparks?

You can get one of these from most any auto parts store, this happens the be from Napa. I usually just shove a Phillips screwdriver into the plug wire.

Your way was maybe a bit clumsy but worked fine and caused no real danger. If you had left the plug too close to the hole it came out of, you could have had a bunch of mini explosions each time it fired.

I'd check all of your battery cables and try swapping the battery from the other car. If MB's is too far gone, it will put too much of a load on the jumper cables and the voltage drop will give you a weak spark.

Michael

Texholdem · #2 03-07-2007, 04:30 PM

Hi throne7,

as far as I know, MB owners enjoy life-time, free of charge road side assitance. I'd push the car onto the road and call them (Being in the garage would represent no road hazard). Even if they cannot help you to jump start the car, they would be able to narrow down the problem area.

1-800-FORMERC

Good luck

throne7 · #3 03-16-2007, 02:01 PM

Quote:

Originally Posted by 250 Coupe

You can get one of these from most any auto parts store, this happens the be from Napa. I usually just shove a Phillips screwdriver into the plug wire.

Your way was maybe a bit clumsy but worked fine and caused no real danger. If you had left the plug too close to the hole it came out of, you could have had a bunch of mini explosions each time it fired.

I'd check all of your battery cables and try swapping the battery from the other car. If MB's is too far gone, it will put too much of a load on the jumper cables and the voltage drop will give you a weak spark.

Michael

FOLLOWUP:

1987 260E 2.6L

Yesterday morning I had my car towed (on a dolly) to my benz mechanic here in Toronto. Remember it won't start? Anyway, when it was at the shop, the mechanic check fuel pump relays, OVP etc all seems normal, so he plugged it back in. Car still wont' start, but the battery was almost all drained (remember its been sitting a while). He rolled over one of those big battery on the trolly? Hooked it up and started the car and it started. Wow!!! How come it didn't start before when I tried to jump it with another car? Anyway so the mechanic says the fuel pump relay or OVP wasn't seated properly. that's why it ddidn't start. So he sent me on my way, didn't charge me anything for it. My only cost yesterday was the $200 it cost to tow the car. I drove the car straight to work and parked it in the workplace parking as I can still put in an afternoon's worth of work. Towards teh evenings 6:10pm or so I happily punched out to head home and walked out to my car. Put in the key like usual, crank teh car , it crank and crank and craank but it won't start up. Damn!! Now I am screwed, cause I work 40 kilometers away from home and at least 60 kilometer from my mechanic. And the damn thing just wont' start. Remember how he jumped with the battery, I quickly flaged down my colleague and have him pull his car over so I can jump start the car. Same thing it will crank but wont' start. So I left the car over night in the work parkinglot and have my colleague drop me off at the Go-Train so I can go home. Suppose to be going out on a date with the girlfriend too. I have never been so screwed before. Anyway I took the train to work this morning and still the car is sitting there immobilized. I have no idea what to do now. Do I pay another $200 tow it to the shop, and have him hook up the battery start it and drive off somewhere, get stuck, and spend another $200 in a loop?? Stumped!!!

throne7 · #4 03-16-2007, 02:06 PM

Quote:

Originally Posted by throne7

FOLLOWUP:

1987 260E 2.6L

Yesterday morning I had my car towed (on a dolly) to my benz mechanic here in Toronto. Remember it won't start? Anyway, when it was at the shop, the mechanic check fuel pump relays, OVP etc all seems normal, so he plugged it back in. Car still wont' start, but the battery was almost all drained (remember its been sitting a while). He rolled over one of those big battery on the trolly? Hooked it up and started the car and it started. Wow!!! How come it didn't start before when I tried to jump it with another car? Anyway so the mechanic says the fuel pump relay or OVP wasn't seated properly. that's why it ddidn't start. So he sent me on my way, didn't charge me anything for it. My only cost yesterday was the $200 it cost to tow the car. I drove the car straight to work and parked it in the workplace parking as I can still put in an afternoon's worth of work. Towards teh evenings 6:10pm or so I happily punched out to head home and walked out to my car. Put in the key like usual, crank teh car , it crank and crank and craank but it won't start up. Damn!! Now I am screwed, cause I work 40 kilometers away from home and at least 60 kilometer from my mechanic. And the damn thing just wont' start. Remember how he jumped with the battery, I quickly flaged down my colleague and have him pull his car over so I can jump start the car. Same thing it will crank but wont' start. So I left the car over night in the work parkinglot and have my colleague drop me off at the Go-Train so I can go home. Suppose to be going out on a date with the girlfriend too. I have never been so screwed before. Anyway I took the train to work this morning and still the car is sitting there immobilized. I have no idea what to do now. Do I pay another $200 tow it to the shop, and have him hook up the battery start it and drive off somewhere, get stuck, and spend another $200 in a loop?? Stumped!!!

By the way, the girlfriend is nagging me to get rid of the car. Sell it, declare it lost, or something. She wants me to lease a soul-less japanese car like she is driving now, but its problem free.