Funny problem with c32. Help?

mikev7 · 05-24-2012, 10:20 PM

I have this weird problem with my car. It has the usual mods: jerry tune 2, headers, exhaust, pulley upgrade..

I was driving through traffic for a while and the car was running fine (no overheating). The traffic cleared and I got on the throttle a little, all of a sudden the car died. I pushed it to the side of the road and it wouldn't start for like 15-20 min (met a beautiful girl by the road side lol). I went through the fuses and everything I could and I found nothing wrong. No codes or anything.

I tried to start the car many times and after 20 min it started right up. I revved it twice and I drove off trying to limp it home. Nothing felt out of place. I hit the gas to merge into traffic after about 5 min of driving and it died again. After another 20 min of trying to start it it started right up. I drove all the way home with a light foot and made it all the way to the driveway.

I then stomped the throttle again and it didn't cut off. I did it 3 times till the tires smoked, full throttle and nothing happened. ??? What is causing this?

I did a search and came up with nothing.

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Gramma_Benz · 05-24-2012, 10:34 PM

Look up CPS, Crank Position sensor.

Sounds like this is what it is, not positive, but symptoms sound like it. Tends to fail when the sensor gets old and when the engine gets hot, it causes it to fail. Then, once it cools off, car starts again.

Not that your engine is over heating, but being hot for a long period of time.

If it happens again, pop the hood, let it cool off and magically, in 15-20 minutes it will start again. Luckily they aren't that that expensive.

mikev7 · 05-24-2012, 10:47 PM

Quote:

Originally Posted by Gramma_Benz

Look up CPS, Crank Position sensor.

Sounds like this is what it is, not positive, but symptoms sound like it. Tends to fail when the sensor gets old and when the engine gets hot, it causes it to fail. Then, once it cools off, car starts again.

Not that your engine is over heating, but being hot for a long period of time.

If it happens again, pop the hood, let it cool off and magically, in 15-20 minutes it will start again. Luckily they aren't that that expensive.

Ahhh! I remember reading something like this before. OMW.

lizardjack · 05-24-2012, 11:34 PM

CPS

Zeppelin · 05-25-2012, 01:07 PM

If you had the ECU out for the tune you might just double check the connectors are on all the way.

W203Ramos · 05-25-2012, 02:03 PM

Quote:

Originally Posted by Gramma_Benz

Look up CPS, Crank Position sensor.

......
If it happens again, pop the hood, let it cool off and magically, in 15-20 minutes it will start again. Luckily they aren't that that expensive.

Quote:

Originally Posted by lizardjack

CPS

+1 most probably.....FYI, I hope you have skinny arms to change it

mikev7 · 05-25-2012, 08:45 PM

actually i have big arms. im a contractor and all i do all day is lift heavy things. im used to losing a little skin while trying to fit my arms into tight spots though. i can manage somehow. I ordered the part last night. I tried the ecu zep. It was fine.

Thanks y'all.

lizardjack · 05-26-2012, 01:58 AM

You might want to go nearest mec. shop. It is really tight place. CPS in my car stuck for good, so I used opportunity when I removed the supercharger for oil change and pulled it out.

mikev7 · 05-27-2012, 12:03 AM

why did you remove the whole thing?

djoa · 05-27-2012, 10:06 PM

Quote:

Originally Posted by mikev7

I have this weird problem with my car. It has the usual mods: jerry tune 2, headers, exhaust, pulley upgrade..

I was driving through traffic for a while and the car was running fine (no overheating). The traffic cleared and I got on the throttle a little, all of a sudden the car died. I pushed it to the side of the road and it wouldn't start for like 15-20 min (met a beautiful girl by the road side lol). I went through the fuses and everything I could and I found nothing wrong. No codes or anything.

I tried to start the car many times and after 20 min it started right up. I revved it twice and I drove off trying to limp it home. Nothing felt out of place. I hit the gas to merge into traffic after about 5 min of driving and it died again. After another 20 min of trying to start it it started right up. I drove all the way home with a light foot and made it all the way to the driveway.

I then stomped the throttle again and it didn't cut off. I did it 3 times till the tires smoked, full throttle and nothing happened. ??? What is causing this?

I did a search and came up with nothing.

Just wondering how beautiful of the girl dropped by?!?!?! lol

lizardjack · 05-28-2012, 10:05 AM

Quote:

Originally Posted by mikev7

why did you remove the whole thing?

To make sure there's no oil left in the unit.

mikev7 · 05-28-2012, 11:20 PM

Quote:

Originally Posted by djoa

Just wondering how beautiful of the girl dropped by?!?!?! lol

she looked like this.

05-24-2012, 10:34 PM	#2
Gramma_Benz MBWorld Fanatic! Garage is empty, add now Join Date: Jul 2007 Location: East Bay, Bay Area Posts: 1,660 Drives: 2002 C32	Look up CPS, Crank Position sensor. Sounds like this is what it is, not positive, but symptoms sound like it. Tends to fail when the sensor gets old and when the engine gets hot, it causes it to fail. Then, once it cools off, car starts again. Not that your engine is over heating, but being hot for a long period of time. If it happens again, pop the hood, let it cool off and magically, in 15-20 minutes it will start again. Luckily they aren't that that expensive. __________________ Always, --Gramma_Benz-- MY Eurocharged BEAST EUROCHARGED 185mm Crank Pulley, EUROCHARGED Shorty Headers, EUROCHARGED Heat Exchanger & Custom 185 Eurocharged "Jerry" Tune, SL55 Full Intake, Carbon Fiber front lip, K&N's, IK20's, Sprintbooster, Resonator Delete, Johnson CM30, Tein Basic Coilovers, NeedsWings Pulley Saver Kit Latest Jerry Tune= 372RWHP 360RWTQ Me on YOUTUBE: Finishing off tires

05-24-2012, 11:34 PM	#4
lizardjack Member Garage is empty, add now Join Date: Sep 2007 Location: RUSSIA Posts: 143 Drives: Shelby GT500	CPS __________________ Sold as it is... 150Amp Bosch Alternator, Battery moved to the trunk, Sprintbooster, 178 pulley kit, short headers, all 4 cat's delete, K&N filters, NGK IX Iridium s-plugs, 100% aluminium Intercooler outer unit, Garret intercooler with thermal coating from needswings, cm30 Johnson pump ECU tune Stage 2, 18" MRR GT-1 wheel, Carbon fiber hood with vent holes. H&R Springs.

05-25-2012, 08:45 PM	#7
mikev7 Member Garage is empty, add now Join Date: Mar 2011 Posts: 168 Drives: C32 AMG Ram 1500 4x4 GSXR600R Track Bike	actually i have big arms. im a contractor and all i do all day is lift heavy things. im used to losing a little skin while trying to fit my arms into tight spots though. i can manage somehow. I ordered the part last night. I tried the ecu zep. It was fine. Thanks y'all. __________________ It's only $110,000. You know you like to press a lot of buttons when you drive around.

05-26-2012, 01:58 AM	#8
lizardjack Member Garage is empty, add now Join Date: Sep 2007 Location: RUSSIA Posts: 143 Drives: Shelby GT500	You might want to go nearest mec. shop. It is really tight place. CPS in my car stuck for good, so I used opportunity when I removed the supercharger for oil change and pulled it out. __________________ Sold as it is... 150Amp Bosch Alternator, Battery moved to the trunk, Sprintbooster, 178 pulley kit, short headers, all 4 cat's delete, K&N filters, NGK IX Iridium s-plugs, 100% aluminium Intercooler outer unit, Garret intercooler with thermal coating from needswings, cm30 Johnson pump ECU tune Stage 2, 18" MRR GT-1 wheel, Carbon fiber hood with vent holes. H&R Springs.

05-27-2012, 12:03 AM	#9
mikev7 Member Garage is empty, add now Join Date: Mar 2011 Posts: 168 Drives: C32 AMG Ram 1500 4x4 GSXR600R Track Bike	why did you remove the whole thing? __________________ It's only $110,000. You know you like to press a lot of buttons when you drive around.

05-25-2012, 01:07 PM	#5
Zeppelin MBWorld Fanatic! Garage is empty, add now Join Date: Nov 2001 Location: OC Posts: 1,262 Drives: C32	If you had the ECU out for the tune you might just double check the connectors are on all the way.

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05-28-2012, 11:20 PM