Question about 2005 Chevrolet Aveo
IT TURNS BUT IT WONT CATCH. IT DOESNT MAKE ANY WEIRD NOISES AND NO LIGHT IS ON THE DASH. NO CHECK ENGINE LIGHT. WHAT COULD THIS BE. IT DOES FIRE WHEN I TRY TO START BUT NOTHING MORE. WAS TOLD TO MAYBE THE FUEL PUMP?
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Posted on Jan 02, 2017
SOURCE: No Start when key is turned
Ma wish to check starter it could be bad or have loose wires on it. There may be a starter relay in the fuse box under the hood it may also be bad.
Posted on Oct 31, 2008
Check the ECM for Codes to help you find out what's causing the problem. Here is a simple and easy way to check.
On board diagnostic (OBD) was designed on vehicles equipped with electronic fuel injection so you can generally retrieve the codes yourself. No need buying a scanner or running to any parts stores to check the Check Engine. This system is called obd1 and applies to most vehicles made before 1995 for domestics and 1993 on imports. In this article, I will discuss the methods used by domestic vehicle manufacturers on how to check the engine lights in their cars and Trucks.
For GM domestic vehicles made before 1995, the diagnostic connector is located under the dash panel by the driver side. To get the check Engine codes to flash in your dash panel, use a jumper wire or a paper clip and connect terminals A and B of the diagnostic connector. Turn your ignition key on with engine off and the codes should start to blink. All codes should start with code 12 which is one long flash followed by 2 short flashes. This code 12 means the diagnostic system is normal and will repeat itself continuously if there are no trouble codes. Otherwise, code 12 will flash 3 times before flashing the fault codes.
Counting the codes being flashed is easiest way to trouble shot problems in domestic vehicles and most of the codes can be erased or cleared by disconnecting the battery negative terminal for 1 minute and reconnect. Just make sure to check your service manual in case you have electronic equipment such as radio or clock that needs reprogramming in which battery disconnection is not recommended. Finally after performing repairs on the culprit code, always go for a road test to confirm if the problem is fixed.
Here is a link with the GM codes. http://chevythunder.com/199295_lt1_trouble_codes.htm
Good luck and hope this helps
Posted on May 02, 2009
Where I come from... An engine cranking and an engine turning over mean/are doing the same thing. In your case me thinks you mean it's turning over (rotating when you turn the key...) but it's not starting (to RUN/rotate under its own power.)
If that's the case, check for fuel pressure at the Fuel Pressure test valve. It's like a valve stem on a tire but made of metal, including the cap, and is also slightly larger. It's generally found in a part of the Fuel Rail Assembly where the injectors are physically connected. To make this test, turn the ignition switch to on for 5 seconds and then turn it off. Next; Poke the stem inside the valve and some fuel should squirt out. Use great CAUTION! Your fuel is explosive and can start a fire!!!
If it no squirty out some gas, your fuel pump most likely has failed (again) or the relay that turns it on has given up the ghost. BTW: Pumps used in these injection system will often kill themselves if the tank runs dry. Seems they can't handle it if there is not gas to pump. Maybe they feel rejected or something.
If gas DOES squirt out then, well.... the pump ain't the problem.
My '96 V8 would, at times, fail to start when it was suffering from a poor Engine Coolant Temperature sensor connector problem.. I don't know where the ECT sensor is on your block but, keep the idea in mind if nothing else shows up as your problems cause.
This might also be a good time to get the error code from your engines control computer. That's why the Check Engine light is flashing. A very inexpensive tool or one you can borrow from your auto parts store will allow you to get and translate the error codes for your make and model. Actually; I think you can trick your 'puter into revealing the information with a well positioned paper clip or piece of wire stuck into the connector under your dashboard. I don't remember which pins to jump (that force it to flash the code number via the Check Engine light) and I don't recommend poking around in that connector making guesses.
Posted on Jul 12, 2010
Testimonial: "This helps a lot - I will try the suggestions and see what happens. A good explanation of what happens if you run the gas tank dry - I didn't know that before. "
Check your O2 sensors. They will give that affect and work only when your engine heats up. If the car cools down and starts up again, that is a sign that your O2 sensors are shot. Replace them.
Posted on Jan 17, 2011
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