PCM Diagnostics & Tuning HP Tuners | Holley | Diablo

What *PIDs to log for cold start stutter?

Old Jun 4, 2005 | 10:37 AM
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Default What *PIDs to log for cold start stutter?

I need to know what values to log with HPT to fix a cold start stutter I have.

I get no SES codes, etc so I'd like to be able to log all the parameters that could lead me too the fix to this issue.

Thanks.
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Old Jun 5, 2005 | 06:21 PM
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From: Phoenix
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IAC position, desired airflow, dynamic airflow, maf, spark advance are what i would start with. Also try monitoring the misfires for each cylinder under engine diagnostics.
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Old Jun 5, 2005 | 06:22 PM
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From: Phoenix
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Maybe fuel pressure too, but you can't do that through hptuners.
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