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sputtering and coughing


duaneob1
05-11-2010, 06:05 PM
first id like to say hello to everyone and that i am new to this forum, that being said i am having trouble with my 1999 aurora, it starts hard but idles smooth if i accelerat it misses bad, if i am at a light and try to take off quickly it "coughs" and sputters i replaced all the plugs and wires and ran a diagnostics on it and i am getting a tcc solenoid reading not sure what to do next, read up on the tcc and it is not showing any of the symptoms that i hear described there, im at a loss and any advice would ve helpfull

peeweewasblue
05-17-2010, 01:01 AM
I have heard people say that what you are describing can be caused by the 2 crank position sensors and or cam position sensor. Much past that you would have to put it on a real shop computer to find out what is going wrong. Some shops don't charge to much to diagnose it for you.

atomic dervish
03-08-2011, 11:38 PM
sounds like a plugged fuel filter. If it's plugged for too long, it will likely take your fuel pump down. Also, the fuel pressure regulator may be bad. I guess it's fairly common for the fpr to go bad on these machines.

Tony022
04-11-2011, 01:18 PM
My 85 does a similar thingy. Sputters hesitates, then after a while its ok.
Where are the crankshaft sensors located?

I think i can check out or fix most minor problems, except I have the darness time finding the location of different parts.

peeweewasblue
04-12-2011, 01:38 AM
Crank posisition sensors are down by the oil filter. One comes out no problem, the other is blocked by the AC line.:banghead: The cam sensor is really easy to get to. Passanger side, rear head. (See attached drawings)

Also I recently started having the hard starting problem. I pulled the vacuum line off of the fuel pressure regulator and it was wet with fuel. Got a new one from the parts store and no more problems.
:uhoh:Word to the wise, depressurize the fuel system before changing the regulator.

kensan99
10-12-2011, 12:27 AM
check your gas tank for water and contammanents

Tony022
10-26-2011, 12:32 PM
Where is the fuel filter located??

peeweewasblue
11-04-2011, 01:09 AM
If I remember correctly it is under the car, drivers side, near back seat area. It is threaded on one side and a plastic clip on the other. Oh ya don't forget to depressurize the system before disconnecting. Fuel spray sucks !!!!!!!!!!!!

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