I replaced the battery with a new one, ignition cable set, spark plug set, Ignition coil. Emptied the gas tank got it cleaned and filled up with premium gas. Changed the fuel filter, air intake filter and also got the car serviced.
Now there is no sluggishness, pick-up problem or engine knocking - but, if I do not start the car for more than 2-days, it simply refuses to start. After several attempts, one cylinder fires, then two then all four. I get a smell of unburned gas for some time, then every thing is fine. The whole day the car will run like new without a hint of trouble.
The computer warning light never lights up during starting problem. I took it to the GM service center who ran a complete diagnostic without finding out any problem.
By trial and error I found a round about way to avoid the problem - either start the car every morning whether I am using it or not, other wise if there is a gap of several days, simply turn on the ignition and wait for 30 seconds. Switch off wait for 5 seconds, then switch on again and start the engine, it purrs smoothly without any problem. It is weird!
Could any body please give me a clue about this peculiar behavior of the car and a solution.
have the same problem?
Thursday, July 23rd, 2009 AT 9:43 AM