98 3.0 injector pulse width way too large. Possible causes?
 

What would cause the fuel injector pulse width to be too large to start the car? The plugs get fouled before it can even start. The only DTC is p1410. Thanks
-Rob

RE: 98 3.0 injector pulse width way too large. Possible causes?
 

Sorry can't post due to ongoing website issues.

RE: 98 3.0 injector pulse width way too large. Possible causes?
 

All plugs are fouled?

RE: 98 3.0 injector pulse width way too large. Possible causes?
 

The engine may have a mode that increases fuel flow at cold coolant temps.

RE: 98 3.0 injector pulse width way too large. Possible causes?
 

Might make sure the coolant sensor is OK.

RE: 98 3.0 injector pulse width way too large. Possible causes?
 

Check that the fuel pressure regulator is not stuck closed. End of fuel rail.

RE: 98 3.0 injector pulse width way too large. Possible causes?
 

Throttle position sensor bad causing computer to think the throttle is open.

RE: 98 3.0 injector pulse width way too large. Possible causes?
 

Make sure the fuel pump is NOT running when ign key on but engine NOT cranking.

RE: 98 3.0 injector pulse width way too large. Possible causes?
 

Fuel pump should only run when the engine is cranking (or engine running of course).

RE: 98 3.0 injector pulse width way too large. Possible causes?
 

Code may not have been tripped because of engine never running through a test cycle yet.

RE: 98 3.0 injector pulse width way too large. Possible causes?
 

And the defective part may not be monitored for performance by the computer.

RE: 98 3.0 injector pulse width way too large. Possible causes?
 

I (and perhaps others) are limited to sending only one-liners or the website server resets.

RE: 98 3.0 injector pulse width way too large. Possible causes?
 

Ditto

RE: 98 3.0 injector pulse width way too large. Possible causes?
 

p 14.. is something with the exhaust, check the coolant temp sensor, or the o2 sensor, may just be reading in open loop

RE: 98 3.0 injector pulse width way too large. Possible causes?
 

Water Temp sensor or its connection (most probable). Fuel pressure.
Throttle position does not matter, while cranking most of engines have their intake pressure equal to the ambient one.
During startup almost all engine parameters are guessed because RPM is too low, very few sensors are used.