| why RPM drops |
| 11-20-2021, (Subject: why RPM drops ) Post: #1 | |||
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| why RPM drops 2015 pererbilt 579 ISX 2350 500 k miles recently it happens several times that after starting the truck the rpm gauge falls down to zero although the engine is idling.then the orange engine light comes on. if I turn off the truck and restart it again it is as it should be. I'm wondering if there is sensor going bad or a something else. your input greatly will be appreciated. | |||
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why RPM drops - alborz - 11-20-2021 RE: why RPM drops - Signature620 - 11-20-2021, |
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