Sounds like the crank position sensor has been damaged during the replacement.
I agree, those are troublesome to begin with and since you disturbed it there's a very good chance it's ruined. Without the sensor working the computer doesn't know the engine is cranking. So the injectors won't spray and the spark plugs won't spark. Jim
replaced harmonic balancer now motor turns over but won't start
1997 Buick Riviera Supercharged Coupe FWD
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Maintenance & Repair
My Buick riviera died while I was driving down the highway. Replaced the crank sensor and it started but sounded like there was an airflow issue. Removed the filter box and found a lot of leaves, e...
1996 Buick Riviera Coupe FWD
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Maintenance & Repair
I just got a 1985 Buick Riviera which looks real good from outside and inside. Car will crank but won't start. It has been sitting in the garage not being driven. Can someone help?
1985 Buick Riviera Convertible RWD
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Maintenance & Repair
What’s the next best engine I can replace my old 3800 Super Charged engine with ... In my 1997 Buick Riviera ?
1997 Buick Riviera Supercharged Coupe FWD
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Car Customization
We put a 455 Buick motor from a 1971 Buick Riviera into a 1970 Buick Riviera. We are having trouble with the generator light on the dash. It won't go out. Stays lit when car is running. Kills the batt...
1970 Buick Riviera
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Maintenance & Repair
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