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10-04-2010, 08:05 PM
Replies: 1
Views: 671
Posted By Survivor

Timing Issues. Information please.

Okay, so my blazer has been running like crap. I hooked a timing light up to check the timing for shiggles. I have noticed that the passenger side bank has one strong fire and my little painted dot...
08-23-2010, 03:18 PM
Replies: 0
Views: 2,355
Posted By Survivor

G103 and G105

I have done some searching and can't find a whole lot about these grounds. Just that they are on the rear cylinder head. Where exactly are these grounds and what is the best way to get them?

2000...
08-20-2010, 06:31 PM
Replies: 3
Views: 1,852
Posted By Survivor

Hot Air...

My blazer has been blowing hot air on my feet all the time, even when the blower is on 1 and the controller switched to off. even if the A/C is on it blows a little hot air.
07-11-2010, 10:19 AM
Replies: 7
Views: 2,034
Posted By Survivor

so by lean you mean the trims are a positive...

so by lean you mean the trims are a positive percentage.
07-10-2010, 08:12 PM
Replies: 11
Views: 2,857
Posted By Survivor

Check the fuel pressure, especially if it is hard...

Check the fuel pressure, especially if it is hard to start after it has been run for awhile. Also check the ground using an ohm meter, stick it to the pump ground and then the frame, there should be...
07-10-2010, 08:05 PM
Replies: 7
Views: 2,034
Posted By Survivor

I had similar problems about a year ago, and...

I had similar problems about a year ago, and pretty much replaced the same stuff you did. I would recommend getting a scan tool or finding a scan tool that shows "live Data". Watch your fuel trims...
07-10-2010, 07:56 PM
Replies: 7
Views: 1,228
Posted By Survivor

Results are in!!! 302 miles for 13.44 gallons...

Results are in!!! 302 miles for 13.44 gallons which comes to 22.47 mpg which is outstanding. Driving conditions 30% town 70% highway 50-60mph. Acceleration habits are 1st and 2nd to 2500rpm, 3rd hold...
Forum: Builds
07-09-2010, 12:51 PM
Replies: 22
Views: 23,904
Posted By Survivor

Not to steal the thread, I would defiantly...

Not to steal the thread, I would defiantly recommend the MFI over the SCFI. I did the conversion awhile ago and will second the throttle response and idle comments. I also picked up some mileage, and...
07-08-2010, 10:05 PM
Replies: 7
Views: 1,228
Posted By Survivor

New Pump in, and I am happy to be back on the...

New Pump in, and I am happy to be back on the road. Also according to my MAF I am getting better mileage then I was before. If anybody is interested I can post after my fill up.
07-05-2010, 08:30 PM
Replies: 7
Views: 1,228
Posted By Survivor

Its an aftermarket kit that uses a real...

Its an aftermarket kit that uses a real electronic injector and not poppets with tubes. The fuel is pressurized all the way up to the end of the injector so it can function under the 42psi CSMFI...
07-05-2010, 01:42 PM
Replies: 7
Views: 1,228
Posted By Survivor

Just went and bought a compression tester and...

Just went and bought a compression tester and fuel pressure tester to add to the on the road tool kit to keep this chevy running. Compression is around 170 for all cylinders. The fuel pressure is 20...
07-04-2010, 08:32 PM
Replies: 7
Views: 1,228
Posted By Survivor

? its problem is beond me.

Blazer has had some intermittent issues. I have replaced the fuel pump, filter, and injectors a few thousand miles ago. My average mileage was usually around 15 city, and 20 highway.

I was driving...
05-25-2010, 08:11 PM
Replies: 2
Views: 674
Posted By Survivor

4wd?

How exactly does the blazer's autotrac 4wd system work? Im use to the locking hubs. Also should my front drive shaft be spinning when 4wd is not engaged?
05-24-2010, 08:11 PM
Replies: 0
Views: 1,032
Posted By Survivor

Hypertech Max Energy

I have been looking into a Max Energy unit for some time now, but I have not been able to find a ton of data of it on a 4.3l blazer. Is it worth it? is there a noticeable power and mileage boost? Let...
05-24-2010, 12:40 PM
Replies: 4
Views: 13,107
Posted By Survivor

what are the chances that something else is also...

what are the chances that something else is also grounded on the same bolt? My only worry is that something is not grounded properly that i do not know about.
05-24-2010, 07:42 AM
Replies: 4
Views: 13,107
Posted By Survivor

Fuel Pump Ground Location.

A few months ago my fuel pump burned up. Long story short I abandoned the original ground and ran a new one. Does anyone know where the original ground should be on a 2000 2dr 4x4? It would help...
05-24-2010, 07:38 AM
Replies: 4
Views: 675
Posted By Survivor

Check the Main engine ground. It is located on...

Check the Main engine ground. It is located on the passengers side of the engine block on the front face, near the bottom corner. GM has been known to install star lock washers between the block and...
03-24-2010, 09:03 AM
Replies: 1
Views: 553
Posted By Survivor

Fuel Pump Help.

So my fuel pump died, i managed to get the square 4 pin connector and tested the voltage...12v. So i figured it was the pump, i just replaced it with a new one and verified its getting 12v and my...
12-30-2009, 06:03 PM
Replies: 23
Views: 25,394
Posted By Survivor

First off it sounds like your talking about my...

First off it sounds like your talking about my blaze there


This truck is just pushing me over the edge...

Parts replaced in trucks lifetime:
- 1 4.3l vortec
- 700R rebuild and 2nd gear...
12-30-2009, 12:48 PM
Replies: 23
Views: 25,394
Posted By Survivor

Back to base 1...14.24 mpg...this injector system...

Back to base 1...14.24 mpg...this injector system is about the most jacked up engineering feat I have ever seen...No wonder GM is going under..their cars are ****...Officially never buying American...
12-26-2009, 06:48 PM
Replies: 23
Views: 25,394
Posted By Survivor

If if it tells you GPH it is most likely just a...

If if it tells you GPH it is most likely just a calculation, I doubt your car actually monitors the fuel coming though the inline and subtracts the outline.

A good benchmark for you then would be...
12-26-2009, 05:35 PM
Replies: 23
Views: 25,394
Posted By Survivor

Well 2.5 gph assuming your cruising at 50mph is...

Well 2.5 gph assuming your cruising at 50mph is pretty good that should equate out to about 20 mpg. But if this is your absolute best mileage you will ever see...Me and My buddy were getting averages...
12-26-2009, 05:18 PM
Replies: 23
Views: 25,394
Posted By Survivor

Yes those are the ones... Make sure though before...

Yes those are the ones... Make sure though before you drop the $300 that this is indeed your problem. If it is though, these injectors are defiantly worth the extra money.

Right now because of...
12-20-2009, 03:12 PM
Replies: 23
Views: 25,394
Posted By Survivor

Friends 2001 4dr 2wd is now getting 20-21 after a...

Friends 2001 4dr 2wd is now getting 20-21 after a 100 mile trip...My mileage appears to be a little better, most likely a result of a free flowing exhaust and a little lighter on the pedal.

Both...
12-18-2009, 11:11 PM
Replies: 23
Views: 25,394
Posted By Survivor

Yea I have a buddy with a 2001 4dr 2wd...just...

Yea I have a buddy with a 2001 4dr 2wd...just scanned his computer and I'm getting reading similar to mine before the injector swap and he is getting 15-16mpg...We are going to hit his this weekend...
12-18-2009, 06:05 PM
Replies: 23
Views: 25,394
Posted By Survivor

I replaced the fuel injections what a P-I-T-A....

I replaced the fuel injections what a P-I-T-A. Replaced them with the MFI style injectors with the poppit at the injector instead of up top. Scan tool reports closed loop and fuel trims of 2-7%....
12-18-2009, 12:08 PM
Replies: 23
Views: 25,394
Posted By Survivor

Will a P0420 or a P0410 caused open look running...

Will a P0420 or a P0410 caused open look running conditions?
12-17-2009, 12:53 PM
Replies: 23
Views: 25,394
Posted By Survivor

Well my 89' TBI 4x4 got 24mpg highway 20 city,...

Well my 89' TBI 4x4 got 24mpg highway 20 city, and 16ish towing. I figured I would at least get that...filled up today for a total of 12.4 mpg with 45-60mph driving and occasional stops. very...
12-16-2009, 07:40 PM
Replies: 23
Views: 25,394
Posted By Survivor

The gauge actually reports ~ 160F then a seperate...

The gauge actually reports ~ 160F then a seperate thermometer at the thermostat outlet also indicates 160F, But the scan tool reports 190 to 200F
12-16-2009, 04:00 PM
Replies: 23
Views: 25,394
Posted By Survivor

Open Loop Issues

Recently just got a scan tool because i have been getting poor fuel mileage between 12-15 randomly. Also I get better city mileage than Highway.

Scan Tool says the fuel system is in Open Loop...
12-12-2009, 09:53 AM
Replies: 1
Views: 607
Posted By Survivor

Sensor Question

Why does my 2000 LS 4.3 4x4 have a Mass Air Flow Sensor, an Absolute Manifold Pressure, and Intake Air Temperature sensor?

Transitionally I thought the engine required either IAT and MAP senor, Or...
09-10-2009, 05:05 PM
Replies: 10
Views: 15,219
Posted By Survivor

Used a wire hanger between the weather stripping...

Used a wire hanger between the weather stripping and the door, but a hook in it to snag the lock and pull it up...Took like 3 minutes. No wedges required. Thanks for all of the input
09-07-2009, 04:11 PM
Replies: 10
Views: 15,219
Posted By Survivor

Anyone Have success with a wire hanger? I...

Anyone Have success with a wire hanger?

I also have version...its not super urgent I will probably call tomorrow instead of on labor day.
09-07-2009, 03:44 PM
Replies: 10
Views: 15,219
Posted By Survivor

Keys in the car please respond quickly

Locked the keys in...Usually I am prepared with a spare, but I just got back from a road trip. So of course the bag with the spare is locked inside too.

Wire hanger and removing the window weather...
07-10-2009, 09:12 AM
Replies: 88
Views: 70,569
Posted By Survivor

True 150 degrees, both gauge and independent...

True 150 degrees, both gauge and independent thermometer...even on 100 degree days in Florida....

But Bandido is correct, your mileage will suffer and you cat will get clogged, and also my oxygen...
07-10-2009, 06:08 AM
Replies: 6
Views: 1,231
Posted By Survivor

Working on some pictures of the build, and then...

Working on some pictures of the build, and then finished product...also a mileage report.
07-09-2009, 07:09 PM
Replies: 6
Views: 1,231
Posted By Survivor

Wow... There is without a doubt some power there...

Wow... There is without a doubt some power there that their wasn't before...

If i do not doubt that i gained 25 horsepower...although i think that it was more recovering lost horsepower then...
07-09-2009, 07:06 PM
Replies: 8
Views: 2,561
Posted By Survivor

I just went with a Dynomax super turbo on a 3"...

I just went with a Dynomax super turbo on a 3" free flowing system... Mainly for price, and the fact it is a true 3" muffler...

The sound is nice, and also it defiantly increases hp to a...
Forum: Lifting Tech
07-09-2009, 07:02 PM
Replies: 4
Views: 703
Posted By Survivor

Hmm 12mm is the diameter, and 140 the length of...

Hmm 12mm is the diameter, and 140 the length of the bolt of course, if it is 12mm i bet it is 12x1.5mm its a pretty common thread, also the same thread as the lug nuts i believe...

Thanks.
07-06-2009, 08:04 PM
Replies: 6
Views: 1,231
Posted By Survivor

Exaust HP gain?

Hello...

Im doing a Y-pipe back system...Getting rid of the Pre cat, Cat, and stock muffler. I will be comming in with a 2.5" to 3" reducer that is 12" long, then 3" all the way with a 3" Dynomax...
Forum: Lifting Tech
07-05-2009, 03:36 PM
Replies: 4
Views: 703
Posted By Survivor

Body lift Questions

The bolts that hold the body on in the 10 mounting points. What thread pattern are they?
05-17-2009, 08:02 PM
Replies: 6
Views: 973
Posted By Survivor

Yes, already did that, and now i am still here...

Yes, already did that, and now i am still here...
05-17-2009, 05:59 PM
Replies: 6
Views: 973
Posted By Survivor

I'm sure the engine is full of water, and yes i...

I'm sure the engine is full of water, and yes i have tested the water temperature with a surface temperature thermometer. The thermostat was replaced with a good aftermarket thermostat... i have not...
05-16-2009, 02:35 PM
Replies: 6
Views: 973
Posted By Survivor

Can't figure out whats wrong.

My engine seems to be lacking power recently, and it has been running around 135 degrees... I replaced the thermostat and flushed the radiator, now i am running around 150 degrees with a lack of...
04-29-2009, 07:17 AM
Replies: 4
Views: 1,335
Posted By Survivor

i got the $14 one from autozone that is...

i got the $14 one from autozone that is guaranteed to fail open if it fails, it was the most expensive one they had.
04-28-2009, 08:40 PM
Replies: 4
Views: 1,335
Posted By Survivor

Engine running COLD

I have a 2000 Blazer 4x4 with the 4.3 Vortec. The temperature gauge reads out about 130 degrees F and the water pipe coming out of the engine reads also 130-140 degrees with an external thermometer....
04-19-2009, 04:17 PM
Replies: 19
Views: 2,307
Posted By Survivor

okay this is now progressing from a low mpg to a...

okay this is now progressing from a low mpg to a help me fix my engine =/. I replaced the thermostat this morning, and did a coolant flush, my old coolant was looking very orange but you could still...
04-19-2009, 08:56 AM
Replies: 19
Views: 2,307
Posted By Survivor

I just use mobile 1 synthetic oil, and today i am...

I just use mobile 1 synthetic oil, and today i am replacing the diffs with mobile 1 synthetic gear oil, and the transfer case with a decent oil. My thermostat is also bad, i checked the engine temp...
04-18-2009, 04:52 PM
Replies: 19
Views: 2,307
Posted By Survivor

Now that you say something my gauge in the truck...

Now that you say something my gauge in the truck says that my temperature is around 120 degrees, and it never goes above 120 degrees, it could be the gauge or the thermostat is stuck open. Next time...
04-14-2009, 04:25 PM
Replies: 19
Views: 2,307
Posted By Survivor

I seem to get 15.5 highway or city, its just...

I seem to get 15.5 highway or city, its just always 15. I was just a little bummed becasue my dads 89 blazer 4x4 door with the 4x4 got 18 city 22ish highway, and the only difference is the TBI engine...
Showing results 1 to 50 of 56
 


 
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