Having problems with your Cars & Trucks ?
Backfiring up hills
\015 My van fine jst cruising around town but as soon as she gets alilttle pressure on her going up a hill or u push her in any way she starts to make a clapping cup sound and starts backfiring if u stop for five she seems to go better til it happens again once she starts playing up u can't push her over 80 k she's fumey as to other wise she been a awesome van three people hav looked at her thinking they had fixed her but same stuff keeps happening\015
Sounds like a vacuum leak somewhere
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