Crank no start
Thread Starter
4th Gear
Joined: Oct 2020
Posts: 4
Likes: 0
Crank no start
So my car which is an 04 has always had a problem crank no starting the first time you try to start the car then it will turn on immediately the second time you go to start it ,
however this is not always consistent sometimes it will turn on the first time.
I cleaned the contacts in the ignition switch
I have changed the cam sensor and crank sensor
I’ve put a new battery and spliced in some new wires on the crank sensor since some were burnt.
now the other day I was driving and the car just turned off on me and won’t turn back on.
I have confirmed fuel pressure
And cleaned the four grounds in the engine bay ,
any ideas as to what it could be 🤯
however this is not always consistent sometimes it will turn on the first time.
I cleaned the contacts in the ignition switch
I have changed the cam sensor and crank sensor
I’ve put a new battery and spliced in some new wires on the crank sensor since some were burnt.
now the other day I was driving and the car just turned off on me and won’t turn back on.
I have confirmed fuel pressure
And cleaned the four grounds in the engine bay ,
any ideas as to what it could be 🤯
Last edited by C5_AlexB; Oct 26, 2020 at 06:34 PM.
Pro
Joined: Oct 2020
Posts: 529
Likes: 197
From: Columbus, MS
On the first crank attempt with no start-- will it crank for as long as you hold the key, then you release the key, and it starts right up on the second attempt? Is it throwing any codes? Try to get a scan tool that can do real-time monitoring and see if it throws anything when you turn the key to "run" but don't try to start yet. Are you getting a flashing or solid "SECURITY" light on the cluster?
Thread Starter
4th Gear
Joined: Oct 2020
Posts: 4
Likes: 0
On the first crank attempt with no start-- will it crank for as long as you hold the key, then you release the key, and it starts right up on the second attempt? Is it throwing any codes? Try to get a scan tool that can do real-time monitoring and see if it throws anything when you turn the key to "run" but don't try to start yet. Are you getting a flashing or solid "SECURITY" light on the cluster?
it used to crank as long as u hold the key then yes it would turn right on the next time
pcm po300 h
pcm p0410 h c
Bcm b0502 h c
bcm b0507 h c
bcm b2587 h
Bcm b2592 h
ao-ldcm b2252 h
ao-ldcm b2282h
ao-ldcm b2286 h
ao-ldcm b2284 h
ao-ldcm u1064 h
ao-ldcm u1016 h
a1-rdcm b2283 h
a1-rdcm b2287h
a1-rdcm b2285 h
a1-rdcm u1064h
a1-rdcm u1016 h
Bo-rfa c2100h
bo-rfa c2105h
bo-rfa c2110h
bo-rfa c21115 h
Are all the codes I found on the dic
before I enter the key the security light flashes then once I put the key in it goes away
my buddy has a scanner I can have him bring it by later
Last edited by C5_AlexB; Oct 26, 2020 at 06:58 PM.
Tech Contributor
Joined: Dec 1999
Posts: 32,910
Likes: 2,402
From: Anthony TX
CI 6,7,8,9,11 Vet
St. Jude Donor '08
Holy smokes,, Enter the DIC DTC reading routine and CLEAR ALL of those DTCs and then see what comes back when it fails to start/run. Repost what comes back. Hopefully the list will be a LOT shorter!
Do you have an auto or manual C5?
Is the fuel pump priming when you FIRST turn on the key? Do you actually have fuel pressure after the first key on? If so, what is it. You will need to attach a fuel pressure gage to the fuel rail Schrader valve (front of the drivers side fuel rail) Please post that first crank fuel pressure. Also post the second crank/run pressure.
Bill
Do you have an auto or manual C5?
Is the fuel pump priming when you FIRST turn on the key? Do you actually have fuel pressure after the first key on? If so, what is it. You will need to attach a fuel pressure gage to the fuel rail Schrader valve (front of the drivers side fuel rail) Please post that first crank fuel pressure. Also post the second crank/run pressure.
Bill
Last edited by Bill Curlee; Oct 26, 2020 at 07:42 PM.
