New Car, Now wont start

[Willy Mo]

Where are you ? Missouri?

yes 40 miles west of STL

 

[Bobs rare 6]

I am in kc area in mo. I have a good buick friend in Columbia mo. that runs a shop. Let me know if we can help!

 

[hiboom]

I am in kc area in mo. I have a good buick friend in Columbia mo. that runs a shop. Let me know if we can help!

I work in kc just north of the new bond river bridge

 

[Bobs rare 6]

I am in south Bluesprings outskirts. Need to get together at some cruise nights!

 

[sscamino]

I noticed in your sig ,you have 60# inj. and the chip says 80#inj.

 

[Willy Mo]

The mods i posted is what the previous owner told me.. He is the one that put the chip in snd had it tuned. It ran great befor tiuching the kick panel

 

[RmvBfrFlght]

One thing to check before anything else is done. Need to find out if the ECM is actually running from the PROM, if it isn't, then the engine is flooded due to cranking.

Do this: observe the CEL, and do a key-on, engine-off. The CEL should turn on briefly, blink off, then turn on solid. Can repeat the test after a minimum of 10 seconds of key-off.

The blink off is the key, if it does that then the ECM is running from the PROM. If this case continue with the other troubleshooting.

If the CEL just turns on solid, the ECM is in limp mode. In this case do not crank the engine over. The ECM will open the injectors for twice as long as they need to be and flood the engine.

Again, in the case that the CEL just turns on solid (no blink), remove the PL board. Then try the test again. The PL board can shift and lock up the ECM.

Once the CEL does the blink off it would be best to replace the spark plugs. Or, if some cranking doesn't start the engine, hold the go-pedal to the floor while cranking. That is a clear flood mode.

RemoveBeforeFlight

 

[Willy Mo]

One thing to check before anything else is done. Need to find out if the ECM is actually running from the PROM, if it isn't, then the engine is flooded due to cranking.

Do this: observe the CEL, and do a key-on, engine-off. The CEL should turn on briefly, blink off, then turn on solid. Can repeat the test after a minimum of 10 seconds of key-off.

The blink off is the key, if it does that then the ECM is running from the PROM. If this case continue with the other troubleshooting.

If the CEL just turns on solid, the ECM is in limp mode. In this case do not crank the engine over. The ECM will open the injectors for twice as long as they need to be and flood the engine.

Again, in the case that the CEL just turns on solid (no blink), remove the PL board. Then try the test again. The PL board can shift and lock up the ECM.

Once the CEL does the blink off it would be best to replace the spark plugs. Or, if some cranking doesn't start the engine, hold the go-pedal to the floor while cranking. That is a clear flood mode.

RemoveBeforeFlight

I did what you said and the cel light came on went off breifly like you said and back on solid. So i tried the go pedal to the floor. After about 3 sec of cranking it started! Along with some smoke under the hood. Sounded like it back fired through i take a little. Butnits idling fine now.

Thanks alot!!!!

 

[TurboBob]

now, wiggle things one at a time and find the touchy spot so you can fix it before it strands you somewhere.

the pink connectors on the white and gray wires are for the 2-step. that is the wiring that feeds pulses to the ignition system to fire the plugs, if that connection is bad the car may not start.

I agree about the PowerLogger connection, you need to make sure its installed properly and no pressure is being exerted on the board when
the ECM is in its final resting spot.

Welcome to the wonderful world of Turbo Buick..


Bob