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Juan Crespo
Juan Crespo, Tech Trainer
Category: Car
Satisfied Customers: 1525
Experience:  A.S.E. Master Technician, Advanced Level, Emissions - Asian, Domestic, & European
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91 Daihatsu rocky. Idles great but when attempting to drive

Customer Question

91 Daihatsu rocky. Idles great but when attempting to drive it pops backfires and buck.
Submitted: 1 year ago.
Category: Car
Expert:  Juan Crespo replied 1 year ago.

Check fuel pressure. Replace fuel pump and filter if not over 30 psi at idle.