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Old 21-12-2018, 21:36   #1
Jim Salter
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Cold start troubles

Hello all, having a few cold start issues at the moment.

When the car (Evo VII) is started from cold it starts (kinda) hesitates, makes a 'noise' (can't really describe it, will take some video tomorrow) almost cuts out and then starts. When warm the car starts perfectly.

With this very limited (and shÝte description) any ideas? (things in my head are - crank sensor, cam sensor.

Any help appreciated.
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Old 21-12-2018, 23:01   #2
Jim Salter
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Also, no DTC's showing up on Evoscan
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Old 22-12-2018, 14:42   #3
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Starts at 57 seconds

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Old 22-12-2018, 14:47   #4
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has it had a remap ???

often cold starting is down to poor start up maps .
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Old 22-12-2018, 16:14   #5
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I flashed the std map on it when it was converted to manual and deleted the CEL, it was throwing for EGR.
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Old 22-12-2018, 17:11   #6
knaggers
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It's the stepper motor on the inlet manifold. Had the same problem, fine when warm,as it's not needed. Very expensive for what it is! Do not buy cheap chinese copy off ebay, you'll have same problem in less than a year.
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Old 22-12-2018, 17:24   #7
Jim Salter
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Will try the stepper first I guess
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Old 22-12-2018, 22:02   #8
will2
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IACV issues ? One like this :
https://www.ebay.ie/itm/MITSUBISHI-L...-/252075785308

Or best try mr Rob maybe ....IF this is the problem of course
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Old 22-12-2018, 22:56   #9
Jim Salter
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Thanks Will.

New and OEM will be my path this time, however, the one you linked would be a cheap way to confirm/eliminate the iacv as the source of the problem
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Old 23-12-2018, 09:56   #10
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Would a leak also cause this type of problem? (I know I have a leak in the throttle body area)
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Old 23-12-2018, 20:15   #11
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Quote:
Originally Posted by Jim Salter View Post
Would a leak also cause this type of problem? (I know I have a leak in the throttle body area)
I recently changed my leaking throttle body ,but hadnt any starting issues like you ....however that means absolutely nothing
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Old 23-12-2018, 21:08   #12
Jim Salter
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Well, this morning it was fairly cold and the car started 1st time without issue?!
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Old 27-12-2018, 11:14   #13
Jim Salter
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And it's back again...

Really annoying me now.

Have ordered the IACV as a test but not sure if it's gonna be the culprit.

Any chance it's the starter motor?
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Old 27-12-2018, 11:47   #14
McGoo60
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What about the temp sensor, that helps at cold start and they are cheap!
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Old 01-01-2019, 19:20   #15
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N/a

Last edited by Jim Salter; 12-01-2019 at 13:50..
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