2005 Cadillac CTS 3.6L

20

Asked by Sep 26, 2016 at 03:34 PM about the 2005 Cadillac CTS 3.6L RWD

Question type: Maintenance & Repair

Car won't start. I checked spark and this is what's
doing. It sparks two three times than stop sparking
than sparks two three times than no spark is that
normal?

9 Answers

73,965

Is there a security light on dash on?

20

No lights. No codes. Cylinder compression 150psi on all 6. I changed crank shaft sensor.

20

The only light is on is battery and DTC light with seatbelt light all other clear out after few seconds.

20

Can ECU cause intermediate spark like that or is it how Cadillac fires the spark?

1 people found this helpful.
73,965

Have you checked the fuel pressure?No fuel to this system will shut the fire to coil all so.

73,965

No it doe,s not fire like that unless there is another issue ,such as no fuel going to system.

20

All 6 INJ CMD(ms) reading 9.28

20

It's starts at 35 than it drops down as low as 8.77

1 people found this helpful.
73,965

To low of fuel pressure,think your fuel pump is bad.

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