2005 Acura TL fuel pump working-got spark won't start

Tiny
ROBERTK46
  • MEMBER
  • 2005 ACURA TL
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 90,000 MILES
I checked the fuel pump at the tank removed the line turned on the key and have fuel comming out, took out one of the coil packs put a plug in it and cranked the engine and have spark, retrieved a truble code po303 engine misfire * 3 checked all the fuses, all good, engine won't start
Monday, September 13th, 2010 AT 3:33 PM

1 Reply

Tiny
KHLOW2008
  • MECHANIC
  • 41,814 POSTS
Hi robertk46,

Check the fuel pressure. Thoug pump is working, the pressure could be insufficient.

Check the injectors. Unplug the injector and test for battry voltage with ignition switch turned on. At least one terminal must be hot. Attach a noid light and crank engine. Note if the noid light pulses.

Perform cylinder compression test. Note if they are within specs.

Misfiring codes could be due the fuel pressure, sparkplugs, compression loss or ignition coil.
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Friday, September 17th, 2010 AT 10:09 AM

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