# \#savana1500 **URL:** https://community.cartalk.com/tag/savana1500/11579.md [Latest](https://community.cartalk.com/latest.md) · [Categories](https://community.cartalk.com/categories.md) · [Tags](https://community.cartalk.com/tags.md) --- ## [Random misfire under load pulling trailer](https://community.cartalk.com/t/random-misfire-under-load-pulling-trailer/81015)
**Author:** [@van\_guy](https://community.cartalk.com/u/van_guy)\ **Replies:** 6\ **Last updated:** [August 23, 2013, 6:48pm UTC](https://community.cartalk.com/t/random-misfire-under-load-pulling-trailer/81015 "2013-08-23T18:48:21Z")
have a po300 code stored intermittently when pulling a trailer up hill under load. Have new plugs,wires,cap, and rotor. Fuel pump replaced and new fuel filter. had a crank shaft relearn performed. new air filter and clea…