N14 cummins no start. - TheDieselGarage.com
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post #1 of 14 (permalink) Old 06-02-2010, 01:13 AM Thread Starter
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N14 cummins no start.

I got a 1992 freightshaker that we are trying to get running, Its been down for a few years and well we got some ideas for it if we can get going again. The guys that last ran it thougt the ECM was shot. Im wondering how you can test it? thanks.

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post #2 of 14 (permalink) Old 06-02-2010, 01:17 AM
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I got a 1992 freightshaker that we are trying to get running, Its been down for a few years and well we got some ideas for it if we can get going again. The guys that last ran it thougt the ECM was shot. Im wondering how you can test it? thanks.
Try timing sensor first. Alot cheaper than the ECM.

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post #3 of 14 (permalink) Old 06-02-2010, 01:22 AM Thread Starter
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anyway to test the timing sensor? also were is it located at?

2008 F-350 Lariet 6.4L 170,000 km spartan tuned 275 daily
2006 yamaha Vmax
2003 F-350 XLT 6.0L just bought 215,000 km all stock for now.
2003 suzuki 1000 GSX-R
1993 F-250 460
1978 F-150 stock waiting for a paint job

Near GP alberta.

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post #4 of 14 (permalink) Old 06-02-2010, 01:45 AM
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anyway to test the timing sensor? also were is it located at?
It's screwed into the timing cover, to the right of the oil pump. Two wires with a plug. You can use an ohm meter and touch the two wires with it unplugged. Spin the motor over and you should see resistance change. It's a crude way to check, but it does work.

2005 250 Super Duty Crew. White and Grey. ARP studs, EGR Delete, and SCT from Vivian. CCV re-route, and 4" Magnaflow turbo back.

Other trucks:1980 KW Ext hood, 1982 Kenworth Cabover Aerodyne (BJ and the Bear) 2000 and 2003 Kenworth W900's. 2003 Pete EXHD. All Caterpillar Power. My 2003 has an MBN I converted to 6NZ. Early 550 file, 211-3025 squirts. 800 cam. Acert twins via custom mount. ARP head bolts.


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post #5 of 14 (permalink) Old 06-02-2010, 11:33 AM
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when you first turn the key on the yellow "check engine"light should come on for a few seconds then turn off.this will at least let you know if the ecm is gettimg power and ground.
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post #6 of 14 (permalink) Old 06-02-2010, 01:24 PM
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The most common things are power and ground connections in the battery as suggested and a bad fuel solenoid (can turn screw to get running).

The Ftls also used Kysor shut down computers installed in the center fuse panel and they are notorious for failing preventing the engine from running or keeping the fan on all the time.

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post #7 of 14 (permalink) Old 06-02-2010, 03:56 PM
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Quote:
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when you first turn the key on the yellow "check engine"light should come on for a few seconds then turn off.this will at least let you know if the ecm is gettimg power and ground.
Yup, Spot on, see if the ECM is even powering up before you waste your time checking sensors.


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post #8 of 14 (permalink) Old 06-02-2010, 06:26 PM
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There is a three wire plug, in front of the left side motor mount the outside wires are power and the inside is ground. I use a headlight bulb to test the circuit. First thing I would do is clean the Battery connections, and grounds to the motor, from the starter. Put the battery's on charge, it is best to do them singly, with a regulated charger. Then if the check engine light goes out in the 5 seconds as stated take a test light and see if you have power to the fuel solinoid. Tug on the wire they they will break and stay attached by the shrink tube, and have voltage to the solinoid but not enough amperage to keep the solinoid open. If all that is OK you need a fuel pressure gauge on the Top compucheck fitting above the fuel solinoid, if the engine cranks at above,195 RPM, and you get above 75 lbs going quickly to 140ish PSI it should start. Just a thought.

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post #9 of 14 (permalink) Old 06-03-2010, 02:43 AM Thread Starter
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Well ECM problem for sure then, the check engine light does not come on at all. Have to start tearing into the wiring. Thanks for the help guys. It will be awhile till i get back to it.

2008 F-350 Lariet 6.4L 170,000 km spartan tuned 275 daily
2006 yamaha Vmax
2003 F-350 XLT 6.0L just bought 215,000 km all stock for now.
2003 suzuki 1000 GSX-R
1993 F-250 460
1978 F-150 stock waiting for a paint job

Near GP alberta.

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post #10 of 14 (permalink) Old 06-03-2010, 03:23 AM
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Many of them also have a ground fuse, going from the top rear mount bolt to the block. if that is blown and the ECM mounting is not clean. you could have that problem also. Just a thought!

1988 ford van fresh overhaul, 1991 nissan pick-up 1993 Caprice 2000 GMC S10 Blaser 2007 nbs 3500 GMC 4x4 crew-cab long box 17 inch single wheels Duramax Alison. BW turnover Ball. Furakawa FL35 loader. Retired, HD mechanic, worked on engines all my life. Fabricator welder. electrician. in the process of finishing my new shop. Live in Rock Creek B.C. Wife has a fruit stand.
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