Question about 1994 Pontiac Firebird

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Car problem I was driving my 94 firebird tans-am and it died on me the other day. I got it towed to my house and now it wont start. It acts like its going to start but doesnt. There is a full tank and a new battery. I have no idea whats wrong. Please help

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  • arun rebello May 11, 2010

    well first you need to find out if you have spark and or fuel pressure.

  • Dennis Boxerman May 11, 2010

    Start by checking for spark at the spark plug. Then check for proper fuel delivery/ pressure. Since you did not indicate what engine, you may have broken a timing belt. If so, you may have had a piston hit a valve.



    Good Luck and hope this helps.

  • Eric Heifetz
    Eric Heifetz May 11, 2010

    The question is " is the car lacking gas or spark ? Having a full fuel tank and a new battery mean nothing if you have a full tank of dirty fuel and a CLOGGED FUEL FILTER. Just rying to explain. Did the car quit shortly after filling up ?

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  • Pontiac Master
  • 3,854 Answers

Your going to have to pull some code to help you with the problem. 
On board diagnostic (OBD) was designed on vehicles equipped with electronic fule injecton so you can generally retrieve the codes yourself. No need buying a scanner or running to any parts stores to check the ENGINE LIGHT. This system is called obd1 and applies to most vehicles made before 1995 for domestics and 1993 on imports. 

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.

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 where you can look up the codes your trans am may have to help you find out what's wrong. Good luck and hope this helps. http://chevythunder.com/199295_lt1_trouble_codes.htm

Posted on Apr 20, 2009

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