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Oldmobile Aurora: I have a 2001 Oldsmobile Aurora 3.5L V6.

I have a 2001 Oldsmobile...
I have a 2001 Oldsmobile Aurora 3.5L V6. I am currently having a "hot start" problem. The car starts when cold (mornings, sits 6Hrs +) Again the car will start cold just fine but when hot it grinds for 6-7 seconds before starting but the majority of the time it cant keep a high enough rpm right away to keep the idle. I have had the throttle body cleaned, fuel pump pressure has been tested and is also fine. My local small town mechanic told me to put some super concentrated injector cleaner in the gas tank to try that, but still nothing. Its not a major concern just an inconvenience. Any info on this would be greatly appreciated
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Answered in 13 minutes by:
10/1/2012
Tim's Auto Repair
Category: Car
Satisfied Customers: 16,087
Experience: Have owned a repair shop for 25 yrs.
Verified

tims auto repair :

hi


 

tims auto repair :

doesthe engine light stay on?if so,can you give me the computer codes?


 

Customer:

no computer codes.


 

Customer:

i also forgot to mention that, my local mechanic said nothing showed


 

tims auto repair :

ok


 

tims auto repair :

without any codes...


 

tims auto repair :

i will give you my thoughts


 

tims auto repair :

tyou sound as if you may have a bad crank sensor


 

tims auto repair :

these can do this sometimes and


 

Customer:

ok.


 

tims auto repair :

not give a trouble code


 

Customer:

but why would it only do it when hot?


 

tims auto repair :

these can break down with heat when they go bad


 

tims auto repair :

het will do this


 

tims auto repair :

heat will do this sometimes when the sensor is bad


 

Customer:

ok


 

Customer:

i know my mechanic also tried something else but i cant remember what. He said he put a piece on but it didnt make a difference so he took it off


 

tims auto repair :




























2001 Oldsmobile Aurora V6-214 3.5L VIN H SFI
Crankshaft Position Sensor Locations, Components: CKP Sensor

















79_gc01gobdy_6-1118b.png
Full Size Image

Locations View



Customer:

so does the $24 go to you now even if it doesnt work


 

tims auto repair :

 

Customer:

are you still in the chat?


 

tims auto repair :

yes


 

Customer:

i will try this before i rate the service


 

tims auto repair :

please note..


 

tims auto repair :

all i can do without you getting any codes


 

tims auto repair :

is an educated


thought

Customer:

have you ran into this problem before then?


 

tims auto repair :

yes


 

tims auto repair :

many times


 

Customer:

and this has been the problem?


 

tims auto repair :

sometimes it may even get to where the engine may just die


 

tims auto repair :

after it gets hot


 

tims auto repair :

thennstart after it cools


 

Customer:

it will start when hot it just takes a couple times usually


 

Customer:

after 6-7 seconds


 

tims auto repair :

yes,,i understand


 

Customer:

ok


 

Customer:

while i still have you can you give me any other info


 

tims auto repair :

if i can


 

tims auto repair :

lets hear it


 

Customer:

i mean on your end. if its not the sensor any other ideas?


 

tims auto repair :

well..most things will give a code


 

tims auto repair :

fuel pressure but,,you have already tested it


 

Customer:

what does the fuel pressure need t be


 

tims auto repair :

so,,the crank sensor is a good canidate to cause your problem,,from the way you explain


 

Customer:

ok


 

Customer:

thanks tim


 

tims auto repair :





























2001 Oldsmobile Aurora V6-214 3.5L VIN H SFI
Fuel Pressure Specifications, Pressure, Vacuum and Temperature: Fuel Pump Pressure




Fuel System Pressure









Key On Engine Off

41-47 psi


 


Customer:

do you have an email i can contact you on if your right with your idea


 

tims auto repair :

sorry we cant give or receive personal info


 

tims auto repair :

but


 

tims auto repair :

all you need to do..is sign in,,and reply back to this thread


 

tims auto repair :

 

Tim's Auto Repair
Category: Car
Satisfied Customers: 16,087
Experience: Have owned a repair shop for 25 yrs.
Verified
Tim's Auto Repair and 87 other Car Specialists are ready to help you
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Customer reply replied 5 years ago

do i need the upper or lower sensor?


 

you need the one that is located above the starter...look at the picture i sent earlier....
thanks
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Customer reply replied 5 years ago

I just picked up the sensor. Does it take much to install?

hi
the one above the starter is a little hard to get to,,but,,not hard to install
thanks
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Customer reply replied 5 years ago

I had the sensor installed. it seemed like it helped very minimal but still a little on the idle. any other ideas?

still dont get an engine light or no codes?
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Customer reply replied 5 years ago

No check engine or codes

Customer reply replied 5 years ago

i called the local gm dealership and they said the only other option i could try would be the camshaft sensor.


Just a review of what i have done


Fuel pump pressure-OK


Injector Cleaner


Fuel Filter


Throttle Body Cleaned


Crankshaft Position Sensor

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Customer reply replied 5 years ago

does the camshaft sensor sound like a logical problem?

well
again,,there isnt much left..
the cam sensor isnt likley,but may be posible...you should be getting a code
thanks
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Customer reply replied 5 years ago

Well tim i will let you know.


Thanks for all your help

yes,,please do
thanks
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Customer reply replied 5 years ago

Tim


Still nothing. I am bringing it to a gm dealership to try it there. Could it be antifreeze on the spark plugs?


 


Any other suggestions?

well
sense you arent getting any codes and you have tried about everything,,,,may be the pcm[computer]itself

Please RATE my answer by clicking the RATINGS button, so I can get credit for my work,,the [BAD SERVICE] and [POOR SERVICE] rating does not give me credit].i don't receive commission if you give a less than 3 star/smiley rating ..I'm not always going to be giving you good news,so please don't let this stand in the way of you accepting my answer.it does not cost you more money.we will still be able to communicate,,.please understand,i can not see,hear or touch the vehicle and only know what you tell me. Bonuses and positive feedback are appreciated!if you are not satisfied with my answer,please do not leave bad feed back,i will gladly opt out and let another expert handle the question.if i have sent any diagrams,please print them.they will only stay on here for an hour or so...sometimes you may need to right click the image,then save picture as]to save it to your computer so you can open it with your picture program...PLEASE ASK IF YOU NEED MORE HELP

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Customer reply replied 5 years ago

ok. any reasoning on why the computer is only messing up on hot starts or is it just the computer being a computer?

well....a computer can break down with heat sometimes...no good way to check it
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Customer reply replied 5 years ago

would a computer be hard to replace? any special programming needed?

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Tim's Auto Repair
Tim's Auto Repair
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Category: Car
Satisfied Customers: 16,087
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Experience: Have owned a repair shop for 25 yrs.

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