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Posted on Jan 02, 2017
SOURCE: car turns over but wont start
you need to get your hands onto a diagnostics/scanner computer to check for cam and crank sensor problems. i believe if i am not mistaken loss of crank position signal will kill injector pulse. look for this signal with the scanner if nothing comes up then u have a bad sensor
Posted on Aug 22, 2009
SOURCE: car cranks but wont start
replace your injectors. your vehicle is getting the fuel to start from the starter fluid. however the injectors arent giving it the gas that it needs to stay cranked
Posted on Feb 23, 2010
If the engine
cranks over normally when you attempt to start you car, but the engine
does not start, the problem may be NO FUEL, NO SPARK or NO COMPRESSION.
The engine needs adequate fuel pressure, a properly timed spark and
normal compression to start.
1) To find why the engine won't start, remove the air inlet tube from the throttle body, push the throttle open and spray a small amount of aerosol starting fluid into the engine. Crank the engine. If it has spark and compression but NO FUEL, it will start and run a few seconds before dying. If it does NOT start, it probably has NO SPARK.
2)Another method to check for spark is to pull a spark plug wire off of a spark plug (if it has plug wires, coil-on-plug ignitions do not) and place the open end of the plug wire near a metal surface on the engine. Have a helper crank the engine while you watch for a spark. DO NOT hold the wire while doing this as it can shock you. If you see a spark, the problem is not spark, but most likely NO FUEL or NO COMPRESSION. If you do not see a spark, the problem is in the IGNITION CIRCUIT.
3)Proper fuel pressure is critical for fuel injected engines to start and run. You should hear the fuel pump inside the fuel tank buzz for a couple of seconds when the ignition is turned on (no buzz means the pump is not running and the engine is not getting fuel). You can smell the tailpipe for gasoline vapors after cranking the engine. If you smell gas, the problem is likely not fuel but NO SPARK. You can also remove the plastic cap and press the schraeder valve test fitting on the fuel rail to see if there is any fuel pressure to the engine (not a very accurate test because fuel pressure must be at a certain level for the engine to start, for that you need a gauge). Even so, no fuel at the fuel rail would tell you fuel is not getting to the engine..
Posted on Mar 21, 2010
well you narrowed it down to a fuel problem. not sure about your model, but most cars have a fuel pressure regulator on the fuel rail to reduce un needed pressures. that could possibly be bad. its cylinder in shape and has a vacuum hose connected to it. check the hose and that unit.
Posted on Oct 15, 2010
Hi and welcome to FixYa!
PCM (powertrain control module) is surely faulty. As a first course of action please swap the PCM for it is like a car's brain that when it's faulty something else will surely fail.
One good reason why it only starts on starting fluid even you can hear the fuel pump working. Once replaced you'll be good.
Hope this helps and thank you for using FixYa! Have a good one!
Posted on Dec 02, 2010
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