Failure to start

2000 RENAULT SCENIC
94,000 MILES • 1.6L • 4 CYL • FWD • MANUAL
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BRIAN TURNER2
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  • 1 POST
Engine turns over no problem, but no current to coils and no current to fuel pump. The fuel gauge is functioning, same relay used on both. Relay changed, but problem still exists Can I bypass it to make pump work? I wonder if these two things are related in that they are both needed for engine starting?
May 25, 2016 at 7:01 PM
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STRAILER
  • ✓ASE Certified Mechanic
  • 54,832 POSTS
  • ASE Certified Mechanic
Hey BRIAN,

I would not bypass the relay, please check for voltage at the relay to see if it is trigger problem or a power source problem, I believe if the crankshaft angle sensor is bad the computer will not turn the system on because it does not see engine rotation.

Here is a guide on how to use a test light and how to replace a cks

https://www.2carpros.com/articles/how-to-use-a-test-light-circuit-tester

and

https://www.2carpros.com/articles/crankshaft-angle-sensor-replacement

Let me know what you find.

Best, Ken


May 25, 2016 at 7:16 PM
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