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Car runs in open loop on the fuel

Tiny
ANONYMOUS
  • MEMBER
  • 1989 BUICK SKYHAWK
  • 140 MILES
Car runs in open loop on the fuel. Cooling fan runs all the time when the key is on replaced temp senders the two on the upper hose inlet replaced the fuel pressure valve. The car will start in flood mode. Full throttle
Thursday, March 14th, 2013 AT 7:21 PM

1 Reply

Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
How long since a tune-up? 02 sensors are part of a tune-up. Check for applicable trouble codes. You should be able to check mil codes, yourself. You use a jumper wire at the A & B terminals at the datalink connector. Turn key just till the dash lites come on, no further. Then the mil on the dash starts flashing, you count the flashes to get the codes. Your looking for two digit codes. Let us know what you find.
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Thursday, March 14th, 2013 AT 8:53 PM

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