Last post on Aug 06, 2012 at 8:16 PM
You are in the Chevrolet Blazer
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Chevrolet Blazer, GMC Jimmy, SUV
#42 of 80 2001 Chevy Blazer S-10 4.3L 2 door
Jan 21, 2009 (11:21 am)
I've had some problems with my blazer. It started skipping/missing a little, not much. Drove it from a cold start about 3 miles to get gas, gave me trouble cranking but did eventually crank. Did this a couple times. Drove it between these events and then one day at work tried to leave and wouldn't crank again, at all. Tried a few days later, no luck. Been about 3 weeks and this morning it did crank, idled for about 15 minutes, drove it a couple blocks and parked it, shut it down, restarted it but did start hard. Talked with a mechanic and was going to drop it off for them to do the fuel pressure check and all. Cranked right up, ran a minute, then stalled and now it won't crank again.
We put a new fuel pump on it about 1-1/2 yrs ago but the oil changes haven't been kept up for the last year or so. The check engine light has been on for a long time but never did anything about it because it seemed to run fine. We are short on vehicles and I need help. Hoping it's not the spider injector. Can anyone give me direction?
#43 of 80 Re: Reving up chevy blazer 6 cyl [labowners]
Feb 06, 2009 (3:53 pm)
Sounds like your EGR valve
#44 of 80 1999 Blazer 4 wheel drive service light
Apr 08, 2009 (10:46 am)
I have a 99 Blazer w/63K miles when the 4 WD light came on.I went to a Chevy dealer and was told that a DTC CO323 was the problem and would cost $830.00 to fix .Additional info from dealer :Regular production option code NP8-transfer case two speed push button.Could anyone help me understand this problem ?Also if I have this fixed will my 4 WD work?? Thanks
#45 of 80 2005 jimmy
May 04, 2009 (9:15 am)
Engine light on scantool code p0128.. does the engine have a mechanical thermostate or do you change the censor...
#46 of 80 Re: 2005 jimmy [die]
May 05, 2009 (8:08 pm)
Change the thermostat. Take a look at your temp gauge and I bet you are only reading ~150 when fully warmed up. I had to change the thermostat on both my Blazers this winter for the very same condition. They open up too soon and the engine never gets to 195. The pluses are that it is easy to change, a top quality (Stant) part is not expensive, and you may actually get a bit better gas mileage out of it as they are more efficient when fully warmed up.
With the engine cold, just pull the thermostat housing off without draining anything. You will have to remove part of the throttle cable brackets to do this. Once the bracket is clear, pull the housing, swap the thermostat, and put it right back together. You won't lose but about a cup of coolant. You will need to have the SES light reset. Autozone will scan the code for you, and then hand you the reader to reset the code. I think for liability reasons they cannot reset the code for you.
#47 of 80 Re: 2005 jimmy [jlflemmons]
May 06, 2009 (7:00 am)
thanx for your help....much appreciated
#48 of 80 2005 jimmy
May 12, 2009 (3:28 am)
I have a 2005 jimmy , i had a p0128 and changed the thermostate, was reset and showed the codes p0053 and p1133. the engine light came on a few days later.. why after fixing one code two more appear.. (two oxgen sensers were also replaced previously).. I only have 36.000 klms. I know short driving distances are harder on your car, but this is awfully frustrating...as a previous owner of a 1997 astro van, i didnt need any serious work on it untill it was over two hundred klms.. could you tell me pls tell me what i need to replace. and also do you have a 800 number where i can phone and get a service manual for my jimmy,,I had one for my van and it was one of my better investments as my hubby does most of the work thanx
#49 of 80 Re: 2005 jimmy [die]
May 12, 2009 (6:32 pm)
Both of the codes listed relate to a defective O2 sensor. Could be premature failure of one of the sensors replaced earlier, or it could be the wiring to the sensor got pulled/damaged during the thermostat replacement.
Is the engine warming properly now? As in going to 195F (90C) within a short period (<5 mins)
#50 of 80 2001 Blazer PO 410B code
Jul 17, 2009 (3:50 am)
The code reads "Secondary air injection - incorrect flow detected...please reply if you have had experience repairing what may be causing this code to cause the service engine light to appear.
Had a complete tune up last month and soon after the service engine light popped up. I took in back in to the dealer and they changed my thermostat. Now I'm getting a PO410 code. I didn't take it in for service yet - thought I would try this forum first.
Hope someone somewhere knows - I really like my blazer but I have already replaced the trans. which set me back big time. Now it's just general maintenance but the engine light code my be another big expense.
Thank in advance for your input. VGK
#51 of 80 Re: 2001 Blazer PO 410B code [valleygirlkim]
Jul 17, 2009 (8:05 am)
my husband changed the thermostate first,(under a ten dollar part, we always change the cheapest part first) but the light came back on , apparently there is another thermostate censor... my engine light is off now only cause its warner out... it went off by itself after drivin it in the warmer weather... I still need it changed......good luck ...and let me no how it goes...If u no someone handy its inexpensive to pick-up a code reader...