direct coil control
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Read the manual to see if your question is answered there before posting. Many users will not reply if the answer is already available in the manual.
If your question is about troubleshooting, configuration, or tuning, you MUST include your processor type (MS-I or MS-II) and code version in your post. If your question is about PCB assembly or modifications, you must also include the main board version number (1.01, 2.2 or 3.0). For tuning/troubleshooting questions, please attached a datalog and your MSQ file to your post.
If you have questions about MS1/Extra or MS2/Extra code configuration or tuning, please post them at www.msextra.com Such questions posted here will be moved to: a temporary MSextra sub-forum, where they will be removed after 7 days
The full forum rules are here: Forum Rules, be sure to read them all regularly.
direct coil control
hello all i have changed from edis to dircct coil on my 2387 turbo vw. i seem to loosing fuel pressure during cranking. perhaps caused by poor tac signal +vr to tac on relay box _to sensor grounds with a shielded pair photos of engine on my dyno at goodvolksmichigan site under 71 super build. matt has tried to help but no luck so far thanks in advance George Kingstott in sw michigan on a clear day i can see chigago
Re: direct coil control
the vr sensor makes 1.2 volts on the ac scale while cranking at 265 rpm george
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Matt Cramer
- Super Squirter
- Posts: 2951
- Joined: Sat Jul 03, 2004 11:35 am
Re: direct coil control
Does the data log show the tach signal dropping out when cranking or does it not?
Re: direct coil control
todays stuff cranking rpm on dyno 270 cranking rpm tuner studio 75 or less vr voltage at the sensor and relay box 1.2 volts blue ford wire + to tack neg wire to sensor return both on relay box AND now ive lost my noids george k