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Engine Specific Info and Questions => IDI Engine => Topic started by: 92EcoDiesel Jetta on August 21, 2013, 07:52:47 pm
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After finishing putting the IP back in and injector hard lines in, cranked starter for about 5 seconds to bleed air out of the lines, tightened 3 of the 4 lines nuts to crank again to bleed the last injector line and before I tightened the last injector nut, the engine started! I have manually controlled glow plugs and they were not turned on during bleeding so I was very surprised it started. Ambient temp was around 80F, engine was dead cold. I thought these idi's need glow plugs to start even in summer?
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No. I routinely start my IDI's on compression alone in the summer time. Mainly gotta be 20* or hotter though.
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Mine with retarded *Giles spec is a bit retarded* timing will start without GP most of the time it is over 60F like normal. When I was bleeding the air out of mine it started on 3 also.
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Mine always needs the glowplugs when the engine is cold but it's an auto and doesn't crank over nearly as fast as a manual.
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I have started my M-TDI with only one injection line hooked up before.. not a glow plug thing, but dammn, 1 cylinder firing every other crank rotation.
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Ive still not hooked up glowplugs on my mtdi.. has started down to 30*f so far hasnt been exposed to lower temps. My idi will start w/o plugs in the summer.