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Tune-up

Tiny
JAYVAN TARVER
  • MEMBER
  • 1993 FORD CROWN VICTORIA
  • 4.6L
  • V8
  • AUTOMATIC
  • 150,000 MILES
I replace the fuel filter, air filter, fuel pressure regulator, vehicle speed control switch, spark plugs and wires. It still has a misfire and I have an rumbling in transmission I also replaced the oil pressure sending switch. So what should I do?
Thursday, July 27th, 2017 AT 4:45 AM

1 Reply

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Scan for codes first and then check compression and check plug wires also check fuel pressure with a gauge auto parts rent it then get back to us. see pics and link.
https://www.2carpros.com/articles/how-to-check-fuel-system-pressure-and-regulator
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Thursday, July 27th, 2017 AT 6:31 AM

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