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Hello every one. Here is my problem when driving I get a pulse(about 100-250 rpm) from the motor once it is warm up and I try to increase my speed by just alittle. like if I'm going 40 and want to speed up just alittle to 45. Now it does not always do this it seems to be just on day's when it is hot and humid out. Any ideas what may cause this?
Thanks Blake
Originally posted by KuruptWS6spd
I'm young, speed matters.....
1996 Firebird Formula
BBK 58mm Throttle body
SLP cold air intake with Trick Flow Elbow
Hooker Long tube headers
3" Flowmaster exhaust
Spohn Panhard bar
3.73 rear gear
Custom tuned by JET DST
Could posably be the injectors know its not the fuel filter just changed it when I did my tune up. I had been hoping that the tune up would make it go away but aparently not. Its not sputtering just pulse the 100 to 250 Rpm's and then stop. And the harder thing is that it will not always do it so I can't lock down on what is causing it to do this.
Here is what I changed
New water pump
New thermistat
New Belt
New Platinum Plugs
New Fuel Filter
+ the MSD parts in my mod list in my sig. g
Originally posted by KuruptWS6spd
I'm young, speed matters.....
1996 Firebird Formula
BBK 58mm Throttle body
SLP cold air intake with Trick Flow Elbow
Hooker Long tube headers
3" Flowmaster exhaust
Spohn Panhard bar
3.73 rear gear
Custom tuned by JET DST
Other more fustrating thing its throwing me no codes what so ever. No thing no check engine lights no nothing.
Originally posted by KuruptWS6spd
I'm young, speed matters.....
1996 Firebird Formula
BBK 58mm Throttle body
SLP cold air intake with Trick Flow Elbow
Hooker Long tube headers
3" Flowmaster exhaust
Spohn Panhard bar
3.73 rear gear
Custom tuned by JET DST
thx 06camarodude I will try taking a look at the MAF. See what turns up. Like I said tho this is beging to make me alittle . I have been dealing with my car doing this for the past 3 months.
Originally posted by KuruptWS6spd
I'm young, speed matters.....
1996 Firebird Formula
BBK 58mm Throttle body
SLP cold air intake with Trick Flow Elbow
Hooker Long tube headers
3" Flowmaster exhaust
Spohn Panhard bar
3.73 rear gear
Custom tuned by JET DST
You have a scan tool ?? check the fuel trims to see if they are really negative. I have seen a number of Delco O2 sensors hang rich/lean and cuase a bunch of driveability issues like this. That and make sure the EGR valve passages and the valve are clean and free of debirs. EGR would be getting active at this cruise speed and load.
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. I have been dealing with my car doing this for the past 3 months.
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