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Chevrolet Blazer, GMC Jimmy, SUV
#426 of 497 dying at stop lights and bat. power loss
Sep 13, 2011 (10:40 pm)
My 2001 chevy blazer, has had problems starting the last few weeks, it would just click and then eventually start fine. Then today died at stop lights while driving, made it home, and replaced battery and alternator. Started car and noticed when ac pump would turn on, battery gauge would drop below 14. When in drive with foot on break even lower reading. I tried to use power seat, and gauge dropped to like 9 (not looking good). Don't think the battery or alternator was even the problem at this point. Please help.
#427 of 497 Re: 01 Blazer stalls and jerks when air conditioner is on [nmuriel]
Sep 21, 2011 (10:25 am)
Well, got the wires, distributor cap, thermostat, and cam sensor changed. It is not going dead anymore! YAY!! However, now if I am on a dirt road behind a car, IT TAKES OFF!!! I barely touch the peddle and the RPM's shoot up and the blazer takes off like I have the peddle pushed to floor. It only happens when I am riding on a dirt road and the dust is kicked up. It is fine on the highway.
#428 of 497 Re: 01 Blazer stalls and jerks when air conditioner is on [dgarrett13]
Sep 24, 2011 (2:52 pm)
Well, it seems that one of the mechanics turned some screw that would make the blazer take of if I barely touched and let off the gas peddle. It would go up to 30 mph without me touching the peddle. Well, the screw was adjusted and now I am BACK TO SQUARE ONE!!! It is going dead when I make a hard stop and turn. I know it has to do with the idle somehow. This last mechanic told me that the Idle Air Control that we just put in may be bad. It is slow to respond thus causing the idle rpm's to drop. I hope it is just a bad part. Going to get and AC Delco instead of an Autozone part. Wish me luck! Anybody else having this weird problem?
#429 of 497 Clean or replace IAC valve
Sep 25, 2011 (6:00 am)
The IAC valve seldom fails and it may just need cleaning. Remove and clean with throttle body cleaner including any debris around the port. Do not soak the IAC in solvent. Use GM 1052626 cleaner of equal.
The IAC has a simple job. The IAC is a "electronic stepper control valve motor" and adjusts a measured amount of idle air that the ECM (Engine Computer Module) wants based on when the engiune is cold, warm, in park, in neutral or when the A.C. is on.
1. Do not push or pull on IAC pentel if the IAC has been in service. The threads on the worn drive may be damaged.
2. Before installing the IAC, measure the pentel from the IAC flange to the tip. It must be 1.100" . Use finger pressure to retract the pentel to 1.100" if it is in is it is excess of that measurement.
3. Lube O-ring with a small amount of fresh engine oil.
4. Install IAC assembly. Install the attachment screws at 27 in. lb. torque (hand tight) using blue Loctite 262. Note: Professional automobile repair technicians have a habit of over-tightening everything.
5. Reconnect IAC harness connector.
Reset IAC pentel position:
1. Turn ignition on for 20 seconds.
2. Turn ignition off for 10 seconds.
3. Start engine
4. Check engine idle in all conditions.
Recommended IAC valves:
GM 17113209....... $162.56 MSRP
Delphi CV10011.... $80.00 retail price
#431 of 497 Hard to start
Oct 23, 2011 (1:17 pm)
I have a 2001 S10 blazer with a 4.3 engine. It will not start unless a booster charger is connected, I put in a new high cca battery and still have the problem. If I just turn the key for a second and let off some times it will start, if I crank it more it will not fire at all. When the engine is cranking I still have full battery voltage reading at the fuse block under the hood. Any ideas what to check next?
#432 of 497 Stalling and stalling
Oct 30, 2011 (7:31 am)
I have a 1997 Chevy Blazer. Over the past 2 weeks, it has stalled out four times. The mechanic has changed the altenator, battery, ignition coil, fuel pump ,and spider something. He actually changed the spider thing yesterday, got the truck running, and it stalled out not even 10 minutes later. Now the mechanic is saying its the computer in the truck. I don't have money to keep buying parts that don't need replaced (let alone keep paying for the tows) - I am looking for any possible answers. thanks
#433 of 497 Re: Stalling and stalling [mama8]
Oct 30, 2011 (12:08 pm)
It's the fuel pump. Don't let him drive you into the poor house.
He's trying to make money off of you.
Sometimes it works, sometimes it doesn't.
Those are the signs that the fuel pump is on it's way to dying.
#434 of 497 Re: Stalling and stalling [s10junkowner]
Oct 30, 2011 (5:26 pm)
Will have it towed to a different shop tomorrow. thank you!
#435 of 497 2002 4.3 vortec Blazer
Nov 13, 2011 (3:03 am)
One year ago i replaced the battery and a terminal post. Now i cant get it started we tried a battery charge and a jump start and it turns over but it wont start. Seem like the battery is not holding a charge. Any ideas ?