Fixed crank seal and CAM position sensor and now no start

OG JESSE JAMES

MEMBER
2000 PONTIAC BONNEVILLE
3.8L
V6
RWD
AUTOMATIC
232,019 MILES

I recently just had my cam position sensor replaced as well as my crank seal behind the harmonic balancer now the car will not start it all. It is supercharged. Before the repair it was leaking out the harmonic balancer slinging oil all over my belt assembly making it hard for me to diagnosis, now I seem to not be having spark. What could it be? Any ideas will help. Thanks

4 Replies

KEN L

MASTER CERTIFIED MECHANIC
47,643 POSTS

It sounds like you lost your crankshaft position sensor. The engine will run without a cam sensor but not a crankshaft sensor. Here is a guide hat will show you what you are in for when replacing the sensor:

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

Here is what it will be like on your car.

Please let us know what happens.

Cheers, Ken

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Monday, August 21st, 2017 AT 5:59 PM

OG JESSE JAMES

MEMBER
2 POSTS

After installing a icm, spark plugs an wires and a fuel pump the car is running well until it gets cooler outside then it's harder to start any ideas on why

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Thursday, August 31st, 2017 AT 4:56 AM

KEN L

MASTER CERTIFIED MECHANIC
47,643 POSTS

It sounds like you could have a coolant temperature sensor that is off a little or you may have a vacuum leak, here are two guides to help you get the problem fixed.

https://www.2carpros.com/articles/coolant-temperature-sensor-cts-replacement

and

https://www.2carpros.com/articles/how-to-use-an-engine-vacuum-gauge

Please let us know what you find.

Cheers, Ken

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Thursday, August 31st, 2017 AT 9:41 AM