99 Saturn sl1 cranks but won’t start
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99 Saturn sl1 cranks but won’t start
One night it started fine the next morning it wouldn’t start at all. Cranks fine sometimes it’ll start for a few seconds then it dies n goes back to cranking. Replace the EGR valve, ects, it has spark, and has good fuel pressure. I’ve had a few ppl look at it but we’re all stumped as to why the car won’t start.
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Says above he replaced the ECTS. However, it may not be the sensor, there may be corrosion on the inside of the connector. Make sure there is no corrosion where the pins of the sensor go into the pigtail.
Unfortunately, you can't check the leads to ground because as far as I know, neither are grounded at The PCM.
But, per Andy above, when it fails open circuit, the equivalent of infinite resistance turns out to read -34 C. However, corrosion adds additional resistance making the PCM think the engine is colder than it is, which richens the mixture. Also check for breaks in the wiring. Especially at the connector.
About once a year, my Saturn SC2 does exactly what you are describing. In order to clear the flood, you need to hold the gas pedal to the floor while cranking. This turns off the injectors.
I have found that once you get it to partially fire, lift your foot all the way up off the gas and pound it down again, hold it for 2 seconds, then repeat.
It will struggle to start but eventually you will clear the flood and the engine will start. Everything around you will reek of gas and there will be a huge plume of exhaust from all of the built up gas in the exhaust system. It stinks but it works.
Unfortunately, you can't check the leads to ground because as far as I know, neither are grounded at The PCM.
But, per Andy above, when it fails open circuit, the equivalent of infinite resistance turns out to read -34 C. However, corrosion adds additional resistance making the PCM think the engine is colder than it is, which richens the mixture. Also check for breaks in the wiring. Especially at the connector.
About once a year, my Saturn SC2 does exactly what you are describing. In order to clear the flood, you need to hold the gas pedal to the floor while cranking. This turns off the injectors.
I have found that once you get it to partially fire, lift your foot all the way up off the gas and pound it down again, hold it for 2 seconds, then repeat.
It will struggle to start but eventually you will clear the flood and the engine will start. Everything around you will reek of gas and there will be a huge plume of exhaust from all of the built up gas in the exhaust system. It stinks but it works.
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