Go the FB group Pontiac Bonneville Club and post your pics. They still do COTM.

Ok, so the wire-piercing probe adapters came in.

https://easyautodiagnostics.com/gm/3.8L/testing-the-map-sensor-1


New test results.

I put the red probe on C wire, black to ground and turned key on engine off and got 5 volts.

I then moved red probe onto middle B wire. I connect the vacuum pump ...

So after reading this thread:

Buick Lucerne HD Cooling Radiator in a 2000-2005 Bonneville -> http://www.pontiacbonnevilleclub.com/forum/performance-brainstorming/topic46770.html
I would like to go the Aurora/Deville radiator route over a GXP radiator and the whole swapping plastic end caps ...

Ok, so I unplugged the vacuum harness from the map sensor.

I turned the key on, engine off.

It read zero. I then applied vacuum at 5 in Hg, then 10 in Hg, and still got zero readings on my ObdLink scan app. It was changing my boost levels.

I did break the map sensor connector tab on the pigtail ...

So how is it holding up after all this time?

Would you do it again?

Worth it/Not worth it?

No headers, 100% stock.

I was watching a Salem Doyle video and he had his crossover pipe wrapped on his GP.

Can I wrap my crossover pipe with exhaust/header tape where it is right under the throttle body and not affect anything?

Glad to hear your ok after the ditch and stabbing.

I will be planning for a headlight retrofit. I plan to leave a single upper orange lens in the top corner to avoid a ticket.

Hope you make 250k!

So going back to the MAP sensor, assuming you can see the data you posted earlier with the key in run and engine off, why not try seeing what the MAP reading is with the sensor its self unplugged from the engine and open to atmosphere. If its not zero or close to it, you know its bad.

I bought a ...

So the engine stalled.

I am going to look at fuel trims and check out the egr tube for cracks, next.

I did change out my PCV valve and replace a vacuum hose that goes to the vacuum manifold to the boost bypass valve.

https://i.imgur.com/Aaad0va.jpg

I also put in a new AC Delco air filter and ...

I'm going to hold off on replacing the MAP sensor right now and tomorrow will try this trick to determine if it is a clog or a vacuum leak.


1. With the EGR valve removed from the intake manifold, have a helper start the engine.

2. You'll notice one of two things:

The engine will start and run ...

Scrolling on the webz, I recognized this car as currently being parted out on eBay.

http://gtcarlot.com/colors/car/65915996.html

https://i.imgur.com/95SZj7M.jpg
https://i.imgur.com/hdFpG1y.jpg

https://www.ebay.com/itm/194463749673

https://i.imgur.com/X04s9Ot.jpg
https://i.imgur.com ...

What would the AC Delco or GM part # be for the MAP sensor?

Amazon doesn't let me add the SC info and keeps recommending the little square one when I need the larger rectangle style.

Is this it? https://smile.amazon.com/ACDelco-213-1545-Original-Equipment-Manifold/dp/B000C9JX4I

https://smile ...

I wouldn't drain the coolant, but you will have some dribble out. Just put some rags under that area and then just make sure your reservoir has the correct amount of coolant. With how little you use, it'll self bleed. At least it has in all of my experiences with removing the TB or the upper intake ...

The only thing is if the mods lean you out enough to throw a code without a tune, pcm swapping won't work. You could be completely fine but won't know for sure until you do the work and put enough miles on it to find out.


I'll be honest with you...living in SoCal, most of my performance mods are ...

GenIII porting is likely your only CARB passing option. There are 2 decades of threads on it at this point but here's one:
https://rivperformance.editboard.com/t4758-porting-polishing-gen-iii-blower

GenV swapping will require a noticeable adapter plate and either bypassing or adapting the EVAP and ...

I'm not asking to be spoon fed answers, but is their a resource to learn about porting a gen III or swapping a gen 5 and what they require?

I need to service my SC in the future as the nose is leaking and was wondering if any performance upgrades could be on the table if I can still legally pass ...

Nice setup. Some pics would be cool.

My 01 SSEi with 126K miles, threw a DTC P0401 code.

I'm on a diagnostic hunt and was wondering if my MAF & MAP are acting right.

Trying to rule out the MAP and MAF sensors.

Cold engine, At idle

https://i.imgur.com/xUMM3rx.jpg

Reving to 40mph

https://i.imgur.com/YuenNMB.jpg

Cruising at 40 ...