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Engine has light surging at 3/4+ WOT on '95 Grand Prix. . . .


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Posted

I haven't really let this bother me, I think that Amy might be shut down early this year. The why is that the rear brakes are about dead, and Amy traditionally ends the year in Novembuary (don't like spending on brakes if the car is going to be shut down immediately afterwards).

 

I'm also trying to decide whether to allocate funds to this car, and if so how much.

 

One nagging thing is this surging, it's extremely, extremely light, only when the pedal is down pretty good, and at high speeds. Idle is even and at regular RPM's.

 

I think that the last tune-up job was back in 2005 at latest potentially earlier. Thinking plugs or fuel filter would love a test drive if anyone local wants to give 'er a go, and let me know that they think. It's too light for you to notice in a video (even outside of youtube).

 

Thoughts?

Posted

meet for timmies one night and we'll try it out

Posted

meet for timmies one night and we'll try it out

 

We need to get Amy up to 80kph (so the one near your house?).

 

Just remember incase I forget to tell you. DS window stays UP!!

Posted

It's got OBD-1.5... Much harder to track down someone who has the equipment to read it (short of going to a shop and paying them to look at it)...

Posted

Did you get the car scanned?

 

 

It's not throwing codes, but no it has not been scanned, it's a very light surge, my passengers can't even pick up on it.

Posted

I read the title wrong then lol

 

I see:

Engine light, surging at 3/4 to WOT....

 

When its:

Engine has light surging at 3/4 to WOT......

 

Lol my bad.

Posted

I read the title wrong then lol

 

I see:

Engine light, surging at 3/4 to WOT....

 

When its:

Engine has light surging at 3/4 to WOT......

 

Lol my bad.

 

Noted, and yes, that makes perfectly good sense, changed the title.

Posted

I read the title wrong then lol

 

I see:

Engine light, surging at 3/4 to WOT....

 

When its:

Engine has light surging at 3/4 to WOT......

 

Lol my bad.

x2 i was confused lol

Posted

Plugs, Wires, Fuel Filter... call it a day

 

 

 

 

Forgot to mention one thing (and yes I'm thinking the same).

 

This happens when I punch the engine around 80kph, NOT in the 0-65 kph range.

Posted

Plugs, Wires, Fuel Filter... call it a day

 

 

 

 

Forgot to mention one thing (and yes I'm thinking the same).

 

This happens when I punch the engine around 80kph, NOT in the 0-65 kph range.

 

You have a plug wire starting to arc out slightly... The fast the speed, the more load. The higher the load on the engine the more you will notice a misfire.

 

Could be the trans slightly surging as well. But I would put my money on a good tuneup

Posted

Or just drive like a normal human being and dont go past 1/2 throttle :lol:

 

How would you merge on the freeway in a 3100 powered w-body then?

Posted

Or just drive like a normal human being and dont go past 1/2 throttle :lol:

 

How would you merge on the freeway in a 3100 powered w-body then?

 

I dont have an issue!!! Then again I run door to door with 3400 GAGTs

Posted

Or just drive like a normal human being and dont go past 1/2 throttle :lol:

 

How would you merge on the freeway in a 3100 powered w-body then?

 

I dont have an issue!!! Then again I run door to door with 3400 GAGTs

 

Door to door at half throttle? :lol:

Posted

Or just drive like a normal human being and dont go past 1/2 throttle :lol:

 

How would you merge on the freeway in a 3100 powered w-body then?

 

I dont have an issue!!! Then again I run door to door with 3400 GAGTs

 

Door to door at half throttle? :lol:

 

boht of us at half throttle :lol:

 

No, I was just making a point that my car has enough grunt...

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