Hesitating problem

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Hesitating problem

August 12, 2007, 11:00:51 PM

I have a 88 Cougar 3.8 with a little above 76000 miles on it. It hesitates at start and sometimes wants to stall at a stop. Press the gas and you get a split second of nothing that it revs. Just did a tune up plugs,wires,cap and rotor. Oil and tranny fluid as well. ( as a side note while changing the fluid I found that the fluid was the original fluid unless pumped out the top. I still had the plunger in the bottom of the pan which my haynes book says was put in there during manufacturing). Back to the problem I cant figure it out. Anyhelp would be appreciated.

Hesitating problem

Reply #1 – August 13, 2007, 08:38:55 AM

pull the codes first off,,, my diy link explains or here,,,,,,
http://www.therangerstation.com

click tech library and scroll down to eeciv diagnostics.

your likely dealing with tps voltage being out of wack or the isc is carbond up.

Hesitating problem

Reply #2 – August 13, 2007, 11:36:49 AM

Ok I will look after work at your diy thing to figure out how to do it.

Hesitating problem

Reply #3 – August 13, 2007, 11:51:32 AM

Sounds like low fuel pressure. Check the fuel pressure and change the fuel filter. My 88 cougar with a 3.8 had symptoms like yours when the fuel filter needed changing. When the fuel pump went bad I had much worse problems.

Hesitating problem

Reply #4 – August 13, 2007, 01:13:38 PM

Forgot to mention that above thats the first thing I changed. how would I check fuel pressure??