1996 Ford Aspire How do I test the flow of an fuel injector

Tiny
PCMENTOR29
  • MEMBER
  • 1996 FORD ASPIRE
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 160,000 MILES
How do I test the flow of an fuel injector off car? I am getting a P0300 Random Misfire, with high HC and high NOx. Replaced all ignition components and tested coil spark. MAF tests per spec, as well as TPS. I plan to hold attached fuel rail with injectors attached and fuel pump running over a small bucket and observing the spray pattern of each injector as I energize each with 12 volts. Does it matter which way the 12 volt wires are connected? I am looking for a conical spray pattern, right?
Monday, July 13th, 2009 AT 11:57 AM

1 Reply

Tiny
PCMENTOR29
  • MEMBER
  • 177 POSTS
This P0300 turned out to be the ignition timing. Using the mark to time it gave wrong timing so used ear, set until pinging then retard a little just to stop ping worked great. Good power and smog.
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Sunday, December 9th, 2012 AT 6:05 AM

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