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2001 Nissan Sentra Cold starts

Tiny
TBONE321
  • MEMBER
  • 2001 NISSAN SENTRA
  • 1.8L
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 146 MILES
In cold weather, the car will not start. It cranks over fine(battery is good)but it takes five to ten tries before it starts. It runs fine after that. I put in a new mass airflow sensor and put in a new fuel pump. No error codes come up when I scanned it. Checked injectors and O2 sensors as well as the air filter. Any suggestions?
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Sunday, February 9th, 2014 AT 10:29 AM

6 Replies

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Check the fuel pressure with a gauge autoparts rent them also replace your fuel filter.
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Sunday, February 9th, 2014 AT 11:05 AM
Tiny
TBONE321
  • MEMBER
  • 4 POSTS
Thanks for quick reply. The car has no filter other than the one with the fuel pump which I replaced. Could it be anything else?
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Sunday, February 9th, 2014 AT 4:49 PM
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Scan for codes.
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Monday, February 10th, 2014 AT 6:55 AM
Tiny
TBONE321
  • MEMBER
  • 4 POSTS
That was already done as stated in my original question. I'm wondering if there is a freezing problem somewhere that the scan cannot pick up. I just don't know where else to check
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Monday, February 10th, 2014 AT 10:07 AM
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Check cam and crank sensors for resistance 166-204 ohms crank and cam 1440-1760 if hitachi 2090-2550 if mitsubishi
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Monday, February 10th, 2014 AT 10:12 AM
Tiny
TBONE321
  • MEMBER
  • 4 POSTS
Will do. Thanks
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Monday, February 10th, 2014 AT 10:14 AM

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