I've had this '05 for about a year now and have had the dreaded classic "3 start tries then nothing" symptom. I could always go back later and usually start right up. Just been living with it and not driving that much cause I didn't want to get stuck somewhere. Drove to daughters house and same old no start symptom. This time and and a couple more times I just kept consecutively retrying five or six times and and it starts right up. SCREEM or possibly something else in the communication circuitry line???
(I'd rather take a beating than pull that dash apart again. At 76 and having to be a contortionist doesn't work well for me and plastic is so brittle.)

 

I'm sure it is NOT the SKREEM because once the SKREEM fails it is a permanent situation with the car not starting.

 

Could be CPS or RCM. Check the car for fault codes. CPS may give a P0335 fault. RCM won't give a fault code for no start.
Next time it won't start leave the key in the ON position and see if the radiator fans spins up REALLY fast after waiting 20+ seconds.
Also take note if the spoiler (non-SRT) gets stuck in the UP position.

 

About three weeks ago the spoiler did come up when first starting but I could close it. I figured the battery might be going bad so I had it load tested and it had a cell going bad. Replaced battery and no more problems with that. Also noticed with a new battery I had "less" problem with the classic no start problem. I have already replaced the RCM with new one a few months ago. The new RCM made no difference for the problem. I will pull codes, as you suggest, and also see if the fan ramps up. Thanks for your help!

AS A SIDE NOTE: Several months ago my "OTHER '06 CAR" had the situation where the fans would ramp up and had to call a wrecker to get it home. I replaced the middle engine relay and has worked properly ever since. RCM's are very important in troubleshooting starting problems and I have a spare RCM just for that purpose.

 

NO REST FOR THE WICKED! Car has been running great for the past few days so I thought I'd take my first little trip somewhere. 12 miles away to a gun shop. Left the gun shop and all was well. About 1/4 mile down the road, and giving it a little "giddy-up-go", my CEL came on and I noticed it was running rough. Pulled into 7-11 gas station, left engine running and was idling rough, in park, at about 750 rpm. Prayed that it would not go into limp mode and get me home. It did! Noticed, when reaching 62 mph or above, the spoiler did not come up. Pulled the codes and here's what I got.
P300 Random multiple cylinder misfire
P304 #4 Cylinder misfire
P305 #5 Cylinder misfire
P0410 Secondary air injection problem
Haven't had time yet to get into diagnosing my problem because "my car and I" are not on speaking terms at the moment. AND it's 85 degrees outside. LoL I'll just drink my iced tea and think how wonderful life is! Plugs, wires, maf, hmmmm I wonder!

 

I let it rest for two hours and deleted the codes. Started right up with no CEL and idled at about 700 rpm. In drive it idled at about 525. Drove about 1/4 mile then showered down a little on the gas and the CEL came back on and the engine ran rough. Checked codes again and they were the same as before P0304 & P0305. If I have time tomorrow I'll swap the coils for two cylinders that are not misfiring and see if the problem travels to two different cylinders. I don't think the MAF is the culprit. Think I'll order a new MAF just the same cause when they go bad it's catastrophic and the car doesn't go anywhere. Already had that happen on my other Xfire. Has been starting up just fine every time.

 

Did you ever try changing the RCM? It's a 10 minute job.

 

No, but it is a new RCM a few months ago. Just the same, "as you never know how crazy magic works," I'll do that with my spare RCM before doing the coil swap. Thanks

 

coils, or due for a plug change, or bad valve cover gaskets leaking into bay?

 

I've had this car for a year now and it has 112K miles on it. I have no idea the maintenance history so it very well could need new plugs. Don't plugs last for at least 750K miles? Maybe just blow little of the dust off and good to go! LoL

 

That P0140 code more than likely is the RCM. Check that ground at the air pump by disconnecting and cleaning before re-tightening.
If that's a picture of your spark plug; it is toasted; install new ones all the way around.

 

I don't have a P0140 code! And the spark plug is meant as a joke!

 

My mistake; I transposed the numbers. Your earlier post (post #5) showed a P0410 code, which often is a RCM problem.

 

I'm figuring the P0410 may be a result of cyl 4&5 misfires. Have to fix misfires first and see if it clears that code. Didn't have time today to work on the car. Maybe tomorrow.

 

Doesn't look like todays repairs is gonna happen! Doctor appointments, wifey to Costco and chilly misting rain all day today. Be nice if I had a garage to work in. Good thing it's not a daily driver or I'd be SOL. Gotta get out of the whimpey, whinney attitude! Gun shows to go to this weekend so it better get fixed tomorrow! Now you can ask, "Why is he posting this worthless junk and wasting my time?" ( Made ya look! )

 

Reading the posts on this forum a new comer could easily come to the conclusion that the curiosity was a Crossfire that starts and runs with no problems at all.😉👋

 

Well your correct. Started out as wouldn't start like "classic three trys and your out" but with the added problem of misfires on cyl 4 & 5 and have to work on that before going further. General consensus is if not the RCM then the SCREEM is bad and don't come back to life and start. They are either good or bad! I was going to edit my post title but it won't le me. ????