Question about 2003 Saturn VUE
Engine needs to crank over strong and steady to have a chance of starting. Youi said it has a poor crank. Battery may be low or bad. If you get the engine to crank over corrrectly and it srill does not start check fuel pressure, spark and injector pulse.
Posted on Dec 01, 2014
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Posted on Jan 02, 2017
SOURCE: 95 saturn won't start when hot
Blair, I would take a look at he TPS (throttle position sensor) located on the throttle body. In other words, it sounds as thought sensor when heated is changing its value to "open" or "shorted".
If the car starts OK when cold, use a hair dryer to heat the TPS when the engine is cold to see if you can duplicate the problem.
Also is the a service engine light on? Codes?
If you have a "digital volt/ohm meter" available you can read the variable resistance of the sensor when the problem occurrs to determine if the sensor is defective.
Posted on Feb 09, 2009
SOURCE: 91 LEGACY STARTED RUNNING ROUGH
The cylinders are numbered as on the spark pack you changed. You might have done better putting the seafoam in the tank as an injector cleaner. Not sure why you changed so many parts, you seem to know how to get the codes from test connector lead hookup and the blink pattern. You might also want to check the fuel rail pressure and the crank and cam angle sensors. Before replacing the injector, swap the #4 injector with the adjacent one and see it the code moves with the injector or stays put. If the code stays on #4, then check the injector wiring, if it moves clean or replace the injector.
Posted on Mar 21, 2009
SOURCE: 2005 DB9 / crank no start
pull out negative terminal battery located under rear right seat.wait for 5 min n then install again the lead negative terminal.insert the key to ignition cylinder.turn the key on off three times.now start the engine.make sure u use recommended fuel grade.
Posted on Jun 21, 2009
SOURCE: rough running
Computers aren't ALWAYS correct. If a code wasn't cleared after the original problem, it will read the same codes off to the diagnostic. I would remove the wire connector to each injector while it's running. If one of them makes no difference THAT is your culprit. Let me know please!
Posted on Jun 27, 2009
If it sat for 3 years the fuel may be in pretty tough shape. If he gasoline smells like a can of old varnish or turpentine then it may have gummed up either the fuel pump, injectors or both. I would start by testing the fuel pressure with a gauge first to see if it is actually pumping enough fuel to run the engine. If the fuel smells bad or your pump isn't working you may need to have the fuel tank removed and cleaned and the fuel lines flushed to get all the old gunky fuel out of them. Also check to be sure you actually have spark at the plugs so you'll know if the ignition system is still working.
Posted on Jun 16, 2010
Testimonial: "was pulling the tank when i got the email all i been doing i completely over looked checking for spark at each plug because it starts it has three seperate coils so should have pulled the injectors earlier to poor to have them tested but the screens in the top look pretty fouled tho i truely have never messed with injectors before the fuel smelled good and had not but a few water beads but is a bit thin looking fuel tank pumps and has good pressure at the fuel rail but again no way to actually check pressure thank you for your help"
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