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If preignition occurs, engine damage can occur in a matter of seconds. If it occurs at high rpm/engine load, it won't be heard until it's too late.
Fuel injector cleaner? Like tblazed, I've actually measured it's effect. The long term fuel trim on my 98 Montana was near it's +20% limit, meaning the computer was enrichening the fuel mixture to correct for a lean condition. After a tank with Chevron FI cleaner, the fuel trim was under 10%. However a better approach is to use a good gasoline with higher detergent levels so the use of cleaner isn't necessary.
Thanks!!!
thanks
poles
If you really want to get into detailing your Trailblazer, check out Zaino Car Polishes/Products--Your Experiences (Part 2),
Steve, Host
I avoid using anything with an abrasive cleaner in it on clear coat paint.
The best by a long shot.
im just curious because i just waxed my TB with mothers and it looks great.
thanks
poles
My favorite is Zaino, but I'll only use that when I have time to spend applying numerous coats after multiple washes. According to Guru Reports, the Zaino is the best performing all around in virually every category, but certainly longevity.
The Eagle One I got for free as they had a 100% rebate. It applies well and looks good with minimal residue. It is a bit hard coming off.
If you are a detailer at heart, I do suggest subscribing to Guru Reports as a unbiased information source
Been using is for years, first on antique cars, then on modern cars. It provides a protective finish that works wonders through the Northeast winters: salt, sand, tar, etc. Nothing seems to stick to the paint. People were I work have been using it for years as well, after asking me what I used on my vehicle. Everyone is please. It is more expensive than other products available.
The only fuel injection cleaner you want to use is made by Redline synthetics. All others break down during combustion but SI-1 Complete Fuel System Cleaner does not.
http://www.redlineoil.com/products_fueladditives.asp
Check it out for yourself.
You WILL thank me later
I pulled the battery from my 1985 monte SS and it fired right up. The SS is down for the winter anyway.
I kept a couple of coats on my wife's white 2001 GTP (garaged), and detailed the heck out of it when we went to sell the car so we could buy her Envoy. A couple of used-car appraisers thought the car was a 2003, since it was so clean and sharp (looked almost new, after 3 years and 39k miles). To each their own, but Zaino does have so many followers for a good reason - it works very, very well.
Just my 2 cents,
--Robert
Good luck.
I highly recommend the Airaid kit. I tried the Volant first but it was a POS and I returned it.
I also added the Airaid throttle body spacer and the two bits really seemed to improve the drivablility and responsiveness of my Envoy. Re: fuel economy, I've never checked, before or after the Airaid.
If you can get past the high cost, I also recommend the Borla stainless exhaust system.
thanks for the info.
I'm averaging 19 mpg in mixed driving which is OK by me. A friend bought a Turbo Outback and gets just over 21 mpg, but he needs premium so he's getting the same mpg as me on a cost basis.
One amusing thing, my truck listed for $37.5K in '03. A new '05 with the same equipment now lists for $40.5K! Yikes! Cruise control is now an option???!!! No wonder incentives were $6-7.5K for a triplet. $41K is Lexus territory.
Greg
thanks
poles
The tube was molded at an angle that prevented the airbox cover from lining up. I could have made it fit but would have put the cover in a bind. Volant said they knew of the problem but weren't sure when they would be molding new tubes.
blink3,
Actually, I think the Airaid was more expensive but it definitely is a nicer piece; better fit and finish and materials.
holes,
The CAI and TBS are definitely worth the cost. I also went with a Borla exhaust so I'm sure that helped as well. Under normal conditions, makes the Envoy a little more responsive and drivable, give it gas and it goes. Under full throttle and from 3500+ to 6000, you get a serious punch in the back. I'm real pleased with the upgrades.
Hope all this helps.
I thought of trading for a 05 with the same options as my 2002 SLT with everything but block heater and DVD system. Jan. 2002 it stickered at $38K. The '05 was $42+K with a $2,650 discount on the sticker bringing it to $39+K. I was interested but found out: No auto dimming inside or outside mirrors, no digital voice recorder, no glove box light, no under hood light. Leather seats were 1-shade of grey instead of 2-tone grey. No integrated/diversity antenna in rear glass, but a whip antenna. Granted there were adjustable pedals and XM radio.
I decided I would rather keep my '02 with all its features. And besides, the dealer wouldn't deal on the '05, even though I used all costs from Edmunds for True Market Value and trade-in.
It would be nice if GM ADDED features instead of deleted features to control costs.
So, I'm curious to all those willing to volley up suggestions. What would you consider "fair"/acceptable if you were in my situation.
Thanks in advance!
Erik
thanks,
travis
Bought a used 02 Envoy a couple months ago, the oil life is now at 53%, when do I actually need to have the oil changed.
Thanks for ya help in advance.
Erik
The Arbitrator agreed there was a problem, but the only resolutions available to him are "buy back" or "no buy back". In our state (Minnesota), you have to show that the problem: "impairs the use or market value of the vehicle". I also remember that if it's a safety issue it's also covered. He didn't rule in our favor.
I felt we had nowhere else to complain so I just live with the problem and have the dealer look at it each time we bring the Envoy in for something else. I was so disappointed in GM.
What for? The person who had the vehicle before you was just like you. If you think they didn't maintain it properly, why are you buying it?
If I buy a used car with 80,000 miles and somebody
has been neglecting oil changes, they've been neglecting them for a long time. Putting in fresh oil isn't going to erase that history. That was my main point.
oh, ok. so i should just BELIEVE what some person I met 5 minutes ago told me
You bought the car didn't you? To me that implies a certain level of faith.
Steve, Host
The dealership said they could unlock this with no problem so I had the XM DIRECT and '04 radio installed and the '04 radio showed the time and said "LOCKED" as I expected. I took it back to the dealership to get it unlocked so the VIN's would match but they could not do it. Now the dealership is telling me a '04 radio will not communicate with a '02 trailblazer.
HELP!!!
Thanks,