I have an 86 L7 that started to sputter and die on me while driving a couple of weeks ago. I would pull over and it would idle or die. It would start right back up and run fine. A few minutes later or a couple of days later, you'd never know when it would happen, it would o it again. A few days ago, I took it about a half mile and it happened again, only this time, it won't run anymore. It starts runs a couple of seconds, I can rev it to 3k rpms, but it immediately sputters and dies. It's like it's running out of gas. (Yes there is gas in it) Is it the fuel filter or what?
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CarGurusJun 25, 2013 - My deville has been stalling while driving when I let off gas. ... mapp sensor, maf, spark plugs, valve gasket covers, fuel pressure regular and still dying. ... 1989 Cadillac DeVille car stalls or stops what does that mean ... my 93 deville has began spitting and sputtering and lossing power air and fuel filer has ...
CarGurusMay 25, 2014 - My car started sputtering when I was driving and just died. ... no- don'tkeep guessing- take it to a good mechanic in a good garage- "good" meaning, they won't be guessing- maybe you can fix it .... Used Cadillac DeVille".
pull spark plugs check if any are excessively white or have a mineral deposit. This would indicate a head gasket problem. Also check the oil stick & cap for milky substance,also indicates head gasket. Another thing to check is pull the ignition coil off clean up the rust to get a better ground. Basic tune up changing the plugs & wires, filters ect may solve the sputtering.
I have a 1986 325e with high mileage 275,000. Car starts fine and idles ok. I'm experiencing an intermittent problem where when placed in drive the car will sputter, lightly backfire, and not move forward until i pump the gas and give it time to correct whatever is not operating properly. Then it runs just fine. I'm thinking it's an air or fuel issue. Just recently tuned up the car and put some bgk44 after the problem started but still experiencing the same problem.
Your fuel air mixture is wrong. Just like a choke. When it is cold it dumps more fuel in, when it warms up it is supposed to mix in more air. It does not seem to be doing this. You need to have that adjusted. In the meantime you can adjust you idle a little higher. You can do this by adjust a screw where the throttle cable sits on top of the engine.... Please give a good rating, it reaaly means a lot. Please feel free to keep in touch
My 2000 Grand Cherokee had the same problem, without all the sputtering, it would just die approaching a stop. We could only keep it running by slightly pushing down on the gas petal when coming to a stop. I replaced the Throttle Position Sensor, but that didn't change anything. A new mechanic I found replaced the Idle Air Control Valve, and we've had no problems in a week.