hi I hava installed megasquirt v3.57 on my car it is m20 bmw engine everything seems working nice except the rpm is being monitored on the megatune 2.25 is too much for example while driving the car at 3000 3500 rpm it show 7000 something doubled... What could be the possible reason for that... I have hall effect crankshat position sensor...
thanks alot.
High RPM Problem BMW M20 Engine
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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.
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utkuselamoglu
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Matt Cramer
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Re: High RPM Problem BMW M20 Engine
Try putting a 10K resistor inline with the crankshaft position sensor wire. That often clears up spike issues.
