Hard Start?

[cammons]

hello. I just bought my DSM not too long ago.
When i got it it started just fine and ran fine, only problem is it had a bad headgasket. A week later i replaced my headgasket , belts/timing, and any other gasket i ran into.
While i had it apart i noticed that the turbo was also gone. Spewing oil and sutch. I then ran the car for about a month without a turbo and just MAF. Then once i got the new turbo (TD05H). it started to have Long hard starts. When cold the car would not start for about 5 cranks and idles at about 600. and when gas is applied the car would stallout or rpms would drop really low. then letting the car sit for about 5min it starts to idle at 800-900. and then becomes drivable.

My profile says 560CC injectors but i had switched back to stock 450 a few days ago.

I hope i have enough information in this. What would be the possible causes?

 

[talon2gbuyer]

hmm.. have you done anything with the ECU? dsmlink? or do you know if the previous owner changed the fuel maps? If they did and you switched back to stock injectors with an upgraded fuel profile that would be your issue. That map may have the need for the larger injectors, whereas the stock ones dont supply enough fuel to run the map properly. Just something to check on, otherwise this seems like a fuel pressure issue. Anyone else have any ideas?

 

[007jimmy]

i was thinking fuel as well or perhaps a coil pack going out.

 

[cammons]

Well thanks for the responses but i wont need help with this subject anymore. last night my engine started knocking and made a scraping sound (piston #4)