[Shotimes] Help! Loss of Power Round 2!!!

[Ian Fisher]

What kind of plugs and wires are you running?

Ian

> 
> -----Original Message-----
> From: Shane Graham <sgraham88@sbcglobal.net>
> Sent: Jun 24, 2004 11:31 PM
> To: shotimes@autox.team.net
> Subject: [Shotimes] Help!  Loss of Power Round 2!!!
> 
> Some of you have responded to my first email about
> my loss of power problem.  First of all, I want to
> thank everyone for their input.  It is greatly
> appreciated.  Let me explain again what is
> happening.  In the morning when I go to work, I
> usually have full power.  But after work, heat may
> be a factor, I seem to lose 40-50% of my engine
> power.  Almost like it is running on 4 or 5
> cylinders.  Sometimes I will have full power and
> then it will pulse or rapidly lose power and gain
> it.  The tachometer acts sporadic but never drops to
> zero.  When it is acting up and I stop at a stop
> sign, the engine will idle rough but never die. 
> Here is a list of things I have either checked
> recently or replaced within two years:
>  
> 1.  Just checked the fuel pressure idling and
> driving.  It averaged 38 PSI and never took a big
> dip.
>  
> 2.  Checked a lot of the electrical bundles for a
> possible short to ground (Don's suggestion).  Did
> not find any.
>  
> 3.  Replaced the spark plugs and plug wires.
>  
> 4.  Noticed when checking the fuel pressure that I
> have a lot of air in the system.  Also, when I
> release my gas cap a bunch of air is released.  This
> didn't seem right so I drove with my gas cap loose,
> but I  still had a loss of power....??
>  
> 5.  I do not have an aftermarket chip.  (Don had me
> check)
>  
> 6.  Put a new fuel filter on.
>  
> 7.  Installed a new air filter.
>  
> 8.  Cleaned the throttle body.
>  
> 9.  Swapped out my MAF sensor with another used one
> and had the same response.
>  
> 10.  Less than two years ago, I changed the CPS and
> the Cam sensor.   
>  
> Shylo suggested that it could be my DIS module. 
> This is a good possibility, but I priced one today
> and they cost $175.00.  I really want to make sure
> it isn't something else before I spend that kind of
> money on a part!  It seems like it is electrical
> now, but at this point I don't know what to think! 
> Any other suggestions or comments will be much
> appreciated.  Again, thanks for your previous time
> and help.
>  
> Thank you,
> Shane Graham
> 91' White MTX
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