RE: ML320 Would not Start sunday.

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RE: ML320 Would not Start sunday. - 9/7/2004 12:42:40 AM    bbs138   Posts: 94 Joined: 4/30/2004 Status: offline how about change the new type fuel fiter with the fuel pressure regulator together.......just another way to think about..... (in reply to sdanville) Post #: 11

I Changed the ML320 Fuel Filter still will not start so... - 9/10/2004 1:41:09 PM    sdanville   Posts: 46 Joined: 8/7/2004 Status: offline It started 8 times then would not start. Waited 30 minutes and it started. I ordered a Fuel pump. That was my next step because I know what a fuel pump is. If that doesnt cure it then ... any suggestions on what I should buy next ? I read it could be....CPS or MAF or AAM or DAS or MAS or EIS or Bank angle sensor. Here is the pliers I had in stock bought many years ago at farm and fleet, that made the fuel line removal a Breeze. Get the picture ? [/image] PS Things I fixed. Swapped out window switch, Cleaned EGR tube, stopped oil burning, changed oil, replaced rear shock with bilstein, updated fuel filter and lines. Thumbnail Image Thumbnail Image Attachment (2) < Message edited by sdanville -- 9/12/2004 10:50:47 PM > (in reply to bbs138) Post #: 12

RE: I Changed the ML320 Fuel Filter still will not star... - 9/10/2004 8:10:20 PM    sleepwalker Posts: 7080 Joined: 4/12/2004 From: Philippine Islands Status: offline CPS, AAM, EIS, ATA. better read the fault code and start from there. you cannot swap the switch, but you can exchange the wiring so that the left window could be opened, but the right cannot. (in reply to sdanville) Post #: 13

RE: I Changed the ML320 Fuel Filter still will not star... - 9/11/2004 9:35:44 AM    sdanville   Posts: 46 Joined: 8/7/2004 Status: offline I just meant in the past history of ML320 fixes- I swapped the window switch from failed one to a new one. (replaced at 40,000 miles and 90,000 miles) swapped= Changed or replaced. My primary project now is the reliability problem. SOme write for sure its the fuel pump. Some write its the Crank Shaft position sensor. Which sounded overwhelming to me--I know where the crankshaft is..but turns out the sensor is only $100 held on by one mounting bold and an electric plug near the firewall. (in reply to sleepwalker) Post #: 14

RE: I Changed the ML320 Fuel Filter still will not star... - 9/11/2004 8:03:49 PM    sleepwalker Posts: 7080 Joined: 4/12/2004 From: Philippine Islands Status: offline we got two versions of fuel filter for this car. the first one got the fuel filter only which seldom gets trouble, but the newer type with integrated fuel pressure regulator often gets broken. having a handy fuel pressure gauge is a good thing. you might as well detect if the fuel pump is faulty. it uses a schraeder valve which is very easy to access from under the hood. before you start the engine, attach the gauge.... leave it in sight and crank. it should not go below 2.8 bar in order to work properly. then... you can now tell if it is a fuel, electrical, mechanical, or a component problem. (in reply to sdanville) Post #: 15

I Changed the ML320 Fuel Filter still will not start so... - 9/12/2004 9:34:18 AM    sdanville   Posts: 46 Joined: 8/7/2004 Status: offline So the origional filter that I replaced with a $97.00 upgrade, is a better more reliable, less troublesome, and less likely to break Fuel Filter. Then Mercedes should call the Upgrade The DownGrade replacement Fuel filter. The origionals are all used up. One can only replace with the more complicated DownGrade. And I thought Mercedes was going to try to go less complicated in The future. (in reply to sleepwalker) Post #: 16

ML320 stalling more than ever. Replaced pump. no help. - 9/13/2004 7:33:30 PM    sdanville   Posts: 46 Joined: 8/7/2004 Status: offline Review: 99 ML320 101,000 miles. 3 weeks ago it suddenly would not start. Turned over fine. 30 minutes later started right up. Then it happened twice a week later. Then it started stalling at stop lights. 3 times it started right back up. Yesterday it stalled at a light...I had to push it off the road and it started in 5 minutes. then stalled then started I made it home. Today I installed a NEW Mercedes $200 Fuel pump. Drove around my hood successfully for 3 minutes...then it stalled and failed to start for 10 minutes. It behaves this way with all 3 keys. I am all ears ! ! Any more suggestions? (in reply to sdanville) Post #: 17

RE: ML320 stalling more than ever. Replaced pump. no help. - 9/13/2004 9:02:19 PM    sleepwalker Posts: 7080 Joined: 4/12/2004 From: Philippine Islands Status: offline as i said, you should have tested the pressure first before replacing the pump. are you doing the trial and error now? what if it was just a crankshaft position sensor which costs much less than the fuel pump? what if it was AAM? (in reply to sdanville) Post #: 18

RE: ML320 stalling more than ever. Replaced pump. no help. - 9/13/2004 11:30:18 PM    sdanville   Posts: 46 Joined: 8/7/2004 Status: offline Well sleep walker, I aint the sharpest tool in the shed. I am at 100,000 miles and others had stalling trucks from fuel filters...so I changed mine..It is recommended maintenance anyway. . Also, on many of the early ML's the fuel guages read 3/4 full when full , with the origional float/fuel pumps. And several suggested to me it could be the fuel pump. So I tried. Now tonight I thought I would check this crank shaft balance sensor. The connection came off with a little tug. I sprayed contact cleaner on both ends ..Then it "SNAPPED" back on. I test drove it 15 miles with no problem. I am no where near celebrating, but hopeful it was a loose connection problem. Thank you for the input. To help you understand why I am this way..I worked my way thru HS and College at a service station. AND, the last time I went to the dealer for a rough idle, they wanted to replace the EGR valve for $300. I said let me think about it. I got on the web, read it may be a plugged EGR Tube. I cleaned the tube with 50 cents worth of carb cleaner and a rag and wire and its run perfect for 10,000 miles. I trust my judgement. When I waste money on parts,,it's called tuition. Steve UPDATE CURED ! ! ! MY ML320 IS FIXED. It Needed one little sensor, $58.00 - installed with one bolt and one electric connection. It was the Crankshaft position sensor. Reference Sensor in the online parts books. YAHOO. < Message edited by sdanville -- 9/28/2004 11:43:34 AM > (in reply to sleepwalker) Post #: 19

RE: ML320 stalling more than ever. Replaced pump. no help. - 9/14/2004 12:34:02 AM    sleepwalker Posts: 7080 Joined: 4/12/2004 From: Philippine Islands Status: offline that clears it. a very reasonable move you have done. learning is really a good thing, and only by hard experience that we can trully rely on instinct. have a nice day steve. (in reply to sdanville) Post #: 20

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