car has no power

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after reparing warped head, test drive at70miles hr. backfired after slowing to return home. checked timming,cylinder pressure,replaced master flow sensor. car starts but no power!HEIP!

trayvon in Belleville IL

Mar 24, 2011

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ZeeTechon Mar 24, 2011

Do you have a way to check fuel pressure? Does it have an EGR? Do you have a diagram with the relay layout? Zee

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What are the best Volvo repair shops?

RepairPal Certified shops can diagnose and repair your 1990 Volvo 780. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.

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What are the best Volvo repair shops?

RepairPal Certified shops can diagnose and repair your 1990 Volvo 780. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.