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#1
08-07-2010, 11:49 AM
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99 E320 Shutting Off
Earlier this year I posted about our 99 E320 shutting off and was advised to install a new crank position sensor. We finally bit the bullet and took
 it to Brumos MB in Jacksonville where they scanned it. We were told it was instead the mass air flow sensor so we had it replaced. Well that has not cured the problem and now the check engine light is on (it was not on before). We are looking at trading cars and would like to have the MB in good shape for max trade allowance. Any sure fire solutions to be offered??Thanks, Bobbo 
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#3
08-07-2010, 03:33 PM
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Do as you were previously instructed, replace the crank position sensor. It's not uncommon to replace several a week in the shop for the exact same problem you describe. More often than not, there won't be a code stored for it. It the date stamp shows it to be original, then it's already past due for failure.
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 90 300TE 4-M Turbo 103, T3/T04E 50 trim T04B cover .60 AR Stage 3 turbine .63 AR A2W I/C, 40 LB/HR MS2E, 60-2 Direct Coil Control 3" Exh, AEM W/B O2 Underdrive Alt. and P/S Pulleys, Vented Rear Discs, .034 Booster. 3.07 diffs 1st Gear Start 90 300CE 104.980 Milled & ported head, 10.3:1 compression 197° intake cam w/20° advancer Tuned CIS ECU 4° ignition advance PCS TCM2000, built 722.6 600W networked suction fan Sportline sway bars V8 rear subframe, Quaife ATB 3.06 diff
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#4
08-09-2010, 02:14 PM
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I was not aware that a failing MAF sensor would cause the engine to "shut off". Run poorly, yes. I've had several that failed in different cars but none caused a power shut down.
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 DS2010 CL550 - Heaven help me but it's beautiful 87 300D a labor of love 11 GLK 350 So far, so good 08 E350 4matic, Love it. 99 E320 too rusted, sold 87 260E Donated to Newgate School www.Newgateschool.org - check it out. 12 Ford Escape, sold, forgotten 87 300D, sold, what a mistake 06 Passat 2.0T, PITA, sold Las Vegas NV
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#5
08-09-2010, 02:25 PM
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Typicaly it won't. If the maf fails completely the car will run on the "limp home" maps.
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90 300TE 4-M Turbo 103, T3/T04E 50 trim T04B cover .60 AR Stage 3 turbine .63 AR A2W I/C, 40 LB/HR MS2E, 60-2 Direct Coil Control 3" Exh, AEM W/B O2 Underdrive Alt. and P/S Pulleys, Vented Rear Discs, .034 Booster. 3.07 diffs 1st Gear Start 90 300CE 104.980 Milled & ported head, 10.3:1 compression 197° intake cam w/20° advancer Tuned CIS ECU 4° ignition advance PCS TCM2000, built 722.6 600W networked suction fan Sportline sway bars V8 rear subframe, Quaife ATB 3.06 diff
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