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Crank no start

Tiny
CURTSAAB
  • MEMBER
  • 1994 SAAB 900
  • 2.0L
  • 4 CYL
  • TURBO
  • 2WD
  • MANUAL
  • 115 MILES
Everything is new; crank sensor, fuel pump, fuel filter, injectors, check valve, spark plugs and di cassette. I also have a few di cassette laying around new o2 sensor tried different ECU, no start just cranking.
Wednesday, October 21st, 2020 AT 9:18 AM

3 Replies

Tiny
KASEKENNY
  • MECHANIC
  • 18,907 POSTS
We need to check for fuel, spark, and compression as the engine needs these three things to start. So we need to find out which one of these items we don't have. Here are some guides that will help with this in general:

https://www.2carpros.com/articles/car-cranks-but-wont-start

https://youtu.be/dCjmRL3p4Cs

To check for spark, remove the plug and hold it against the block and crank the engine to see if there is spark at the plugs.

Next if you have spark, use starter fluid in the intake and see if it starts for a second or two. If it doesn't then we need to check compression.

https://www.2carpros.com/articles/how-to-test-engine-compression

Let's start with this info and let me know what you find. Thanks
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Wednesday, October 21st, 2020 AT 3:50 PM
Tiny
CURTSAAB
  • MEMBER
  • 2 POSTS
Okay thanks. Will do so.
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Wednesday, October 21st, 2020 AT 4:14 PM
Tiny
KASEKENNY
  • MECHANIC
  • 18,907 POSTS
Sounds great. Keep us updated on what happens. Thanks
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Wednesday, October 21st, 2020 AT 8:08 PM

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