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2000 Saturn L200 LS2 Starts then dies. MAF?

Tiny
ROADRUNNER_007
  • MEMBER
  • 2000 SATURN L200
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 180,000 MILES
Fuel pressure at rail holds about 48psi with key on. Found intake leak in pleats of intake downstream from MAF and major coking in pcv hose. Repaired & cleaned, engine starts and dies and wont stay running at all. However if you unplug the MAF, cold engine starts and runs fine, around warmup starts running rough. Plug in MAF and engine dies, restart and it dies, unplug it and engine runs again.

Q: Is this definately a bad MAF?
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Monday, December 7th, 2009 AT 2:33 PM

1 Reply

Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
Sure sounds like a bad maf sensor have u tried tapping on it with a screwdriver handle to see if it runs any differnt?Also are there any codes like lean bank 1 or two if there is its a vaccuum leak or bad maf most of the time a bad maf let me know.
Louie
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Monday, December 7th, 2009 AT 4:32 PM

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