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Zwiki
No | SUBJECT | DESCRIPTION |
|---|---|---|
1 | Tamper-proof EPA engine programming | Vehicle Speed Limiter (VSL) and Engine Idle Shutdown Timer (EIST) are Emission Controls that may be noted on the door label. The default VSL speed is 64 MPH and EIST requires 5 minute idle shutdown. The expiration distance for these parameters is between for 300,000 - 1,259,000 miles and CANNOT BE RESET during that period. The expiration is not noted anywhere on the vehicle. You must call Parts and get this number, and use an engine tool to remove the value when applicable, if desired. |
2 | Propane chassis | Most propane bottles have a RH side pump and thus requires a RH side PTO with a jackshaft to connect the two. |
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DEF shelf life
Diesel Emission Fluid (DEF) is a carefully blended aqueous urea solution of 32.5% high purity urea and 67.5% deionized water. If stored over 95F, then shelf life could be reduced in 6 months. If you have a chassis that’s been sitting on the lot for a while in extremely hot weather, it might not hurt to drain and replace to reduce the chances of exhaust fault codes. Probably a good idea on used trucks as well.
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