When I start the car and put D it will run... if I stop the car for few seconds (by push break) it will not run again even for reverse... If I stop the engine and start again it will run for a while and if I stop it will repeat the same thing. Before Two weeks a noise came when start driving the car (1st speed) then it will disappear after a while, the technician told me to change gear oil and filter... done. I don't know what to do?
SOURCE: 1999 GMC Suburban 2500. 454 engine
sounds like fuel pump pressure. I had the same thing happen to me in a Lincoln mark VII and the electrical connection was shorting out in the fuel pump. I changed the fuel pump..Returned under warranty) put the new one on with filter and had no problem with it.
SOURCE: Same thing here...
thanks for your help I will continue checking this since I have like 2 month with this problem, I will let you know what happends probabliy I will need to take my truck to a dealer,
Regards.
SOURCE: 97 gmc pickup with automatic transmission trouble
1st thing to do is test the system for codes, the problem is most likely a failed or stuck shift solenoid indside the trans, have you ever serviced the trans, sometimes a fluid and filter cahnge will cure these kinds of issues.
SOURCE: 95 GMC Jimmy 4L60E no 2nd or OD 4L60E
You might want to try this if its got a kick down cable unhook it from throutle body and pull it out as far as you can and let it snap back, do this a few of times, sometimes a valve gets hung up inside valve body of trans. and won't let it shift. If that don't help you may have to pull pan to dislodge it if thats the problem. chk. the plug on trans. (Its a 4 wire white plug) with test light with key on to see if there is power down there one will be hot, thats for overdrive, now on top of intake in front throutle body there is a sending unit that looks like a temp. sending unit with a 2 wire plug on it that sends a signial down to that plug when engine gets to temp. to let it shift to overdrive. Maybe this will help, or give you some ideas.
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