Crossword clues for Run up an engine 3 lettersAnswerClueSTPHelping Engines Run Better Longer Since 1954 productSTPHelping Engines Run Better sloganeerREVRun the engineREVRun up an engineREVRun up the engineHUMRun smoothly, as an engineIDLESLets the engine runIDLEKeep the engine runningIDLESit with the engine runningPURRSmooth-running engine soundRAILSEngines run on themIDLEONKeep an engine running slowlyIDLESKeeps the engine runningIDLEDKept the engine runningLUBEDLike smooth-running enginesIDLEKeep an engine running without movingIDLESKeeps the engine running, without movingIDLEKeep the engine running in parkIDLELeave the engine runningIDLEDSat with the engine runningSODORUTOPIABUFFYVERSEWorld Series where Thomas the Tank Engine runs in vampire paradise?IDLEPark with the engine runningIDLESSits with the engine runningSMOOTHLYHow a well-oiled engine should runIDLEBarely run the engineSOARFly without running the engineDIESStops running, as an engineTESTBEDEngine trial-run supportIDLEBarely run, as an engineWHIRRun like an engineUSSENTERPRISEShip that runs on impulse enginesPURRRun smoothly, as an engineHUMSRuns smoothly, as an enginePURRSRuns like a tuned enginePURRSRuns smoothly, like an engineTESTBEDWhere engines take a trial runPURRSRuns smoothly, as an engineSPUTTERRun roughly, as an engineTUNEDUPMade run better, as an enginePURRLIKEAKITTENRun smoothly, as an enginePURRRun well, as an engineAEROSTARFord model that was the first minivan to run on a V6 engineHUMSRuns well, as an enginePURRRun like a charm, as an engine