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Discussion Starter · #1 ·
So I just bought my 05 srt4 acr. When I bought the car it seemed to be as if everything was working. As time goes on I’m finding problem after problem it’s only been a week! I have addressed as many as I could but this issue has me stuck. I won’t to start my car in the morning about 45 50 ish degrees out and the car would fire right up the just shut off a second later. Did this a few times them finally started. Any ideas on where to start my diag? Or is this a wel known issue?
 

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First off, Welcome to the forums and to the SRT-4 world!

Secondly, to help us help you, you need to provide as much information as possible about the car. mods? miles? other issues you addressed? when did this start? has it done this every time? does it only do it when its cold? etc. etc. etc.
 

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The first thing i would ask you though is, are you letting the fuel pump prime before you try to start the car? (key to the "on" position until the red security light goes away, or you audibly hear the fuel pump stop.)
 

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Discussion Starter · #4 · (Edited)
Yes I turned the key on could hear the fuel pump. The fuel pump then stopped and I went to start the car. It cranked started then a second later shut off. The red light was on. After a few times of this happening I turned the key on and started without waiting to hear the fuel pump and the car did not shut off. I’m aware of the abs light on, a bad multifunctional switch and connector. The car does idle rough. It has a bws turbo, 3 bar map sensor stage 2 ecu stage injectors. Agm gauges, a wot box 50mm tial blowoff valve and a catch can. The car has around 100k on it. It’s done it once or twice before but never to this extent. Nirmally it’s just a one and done deal but now it did it a bunch
 

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after the car is warmed up can you turn it off and then back on without issue?
 

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any check engine lights?
 

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Just to answer your initial question, this is not a common known issue.

Do you have any way to contact the previous owner to see if that was an ongoing issue?

The car being cold natured is an odd condition, but shouldn't be too difficult to figure out. As I'm sure you will see the longer you're around here and the longer you own the vehicle, any time there is an issue, we recommend doing a boost leak test (BLT). This likely wont find the issue you're having right now.... but it might. any air leaks where there isn't supposed to be air leaks is something we don't want. A leak at the intake manifold gasket (super common) can cause rough idle and running issues.
 

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Discussion Starter · #10 ·
Do you think it could be a security issue? And how do I do a boost leak test? The previous owner knows nothing about it
 

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Discussion Starter · #11 ·
My big concern is it’s my daily driver and it’s not even that cold yet. It will get colder come winter and I don’t want to not be able to get to work
 

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Do you think it could be a security issue?
I dont think its a security issue since the car starts up (eventually) and runs normal. If it started and died consistently i would suggest a possible issue with the key or skim (security) module.

My big concern is it’s my daily driver and it’s not even that cold yet. It will get colder come winter and I don’t want to not be able to get to work
I understand that concern... my SRT-4 currently has the motor and trans out and apart in my garage so i'm daily driving my motorcycle... winter is coming... EEK!

And how do I do a boost leak test?
The basic gest of it is you use an air compressor to pump air into the inlet of the turbo and then spray soapy water on all the hoses and connections to see if bubbles form (indicating a leak). You fix what leaks you find and keep searching until you dont find any more. Doing this does require some special equipment because you'll need an air compressor and some way to attach it to the turbo (boost leak tester). there are several how-tos here on the forums giving you ideas on how you can make your own tester.

The previous owner knows nothing about it
sounds pretty typical these days....
 

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If you don't mind me asking, where are you located?
 

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until you can do a boost leak test, i would recommend hooking up that diablo tuner to the car and a laptop and run the software where you can see all the parameters that is going on with the car. Specifically i would be interested in what the coolant temp, air temp, o2 sensors, map & tip sensors & TPS are all reading.
 
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