Whilst driving my throttle pedal became stiff .. requires more effort .. any ideas 

Bit of crap caught in / under it maybe????

Hi tilt , I’m ahead of you bud but Thankyou got your reply .. yup looked at it I daylight first thing this morning  . Three small bits of pea gravel from the camp site where we are staying . I’m wearing sketchers with block tread sole . When I checked my sandles they where loaded .. lesson learned bud lol I was thinking the worse driving back to the site in the dark and rain