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I have an 02 Trailblazer with rough idle, tried cleaning
I have an 02 Trailblazer with rough idle, tried cleaning throttle body more than one time this has been an on going problem almost sounds like it's missing however I don't get any codes just put new r… read more
Tony McCarthy
Tony McCarthy
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On our 2004 trailblazer as as we are traveling on the level
On our 2004 trailblazer as long as we are traveling on the level or going down hill the cruise control works fine. Going up hill it kicks out. Occasionally it will down shift and stay engaged for a sh… read more
David Craig
David Craig
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Pete. I have put a new fuel pump on my 1998 chevy 5.7,
Hi Pete. I have put a new fuel pump on my 1998 chevy 5.7, c1500. When I accelerate it fall right on its face. I checked the fuel delivery pressure. It is 54. Do you agree that this is an issue? two qu… read more
Jerry Newton
Jerry Newton
Vocational, Technical or Trade Scho
5,406 satisfied customers
I have a 98 k1500 5.7 that intermittently will not go over
I have a 98 k1500 5.7 that intermittently will not go over 50 mph and 2000 rpms. No codes. shut off restart and its fine for a while.… read more
Tim's Auto Repair
Tim's Auto Repair
mechanic
High School or GED
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I own a Chevy 2002 2WD 4.2L 6 cylinder Trailblazer. On my
I own a Chevy 2002 2WD 4.2L 6 cylinder Trailblazer. On my way to work this morning, all of a sudden my engine starting running rough. It felt like one of the cylinders was not firing. Acceleration is … read more
Roy
Roy
shop foreman
Associate Degree
4,481 satisfied customers
My 1995 chevy k2500 is burning up ignition coils. When they
My 1995 chevy k2500 is burning up ignition coils. When they fail, anytime I try to go past 3/4 throttle, the engine has no spark, and at cruising rpm in overdrive my engine has a slight miss. My groun… read more
BOBBYSS
BOBBYSS
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Allan here. Mom-n-law just gave us an 02 TrailBlazer w 4.2l
Hi, Allan here. Mom-n-law just gave us an 02 TrailBlazer w 4.2l st6 vortec. Engine idles at only about 600. and as long as ac is not on seems to be fairly smooth. But with ac on, the RPM remains the s… read more
Jared D
Jared D
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Chev: I have a 2004 Chevy Trailblazer, 4x4 with a Vortex 4.3,
I have a 2004 Chevy Trailblazer, 4x4 with a Vortex 4.3, 4l60e automatic transmission, about two months ago as I was driving I smelled an electrical burn just for about one block and it went away. then… read more
Gary
Gary
Chevy Technician
18,051 satisfied customers
98 s10 w/ 2.2 and 5 speed. sometimes while driving, the
98 s10 w/ 2.2 and 5 speed. sometimes while driving, the truck will sputter, when this happens i noticed the gauges in the truck will also go wild, the gauges act like the self check mode during first … read more
Gary
Gary
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18,051 satisfied customers
2003 Trailblazer: 6 cyl - auto..comming..complete stop..highway
I have a 2003 Trailblazer - 6 cyl - auto - 137K miles The vehicle has developed an inconsistent condition that causes the idle to raise and lower abrubtly after comming to a complete stop. Sometimes t… read more
GM Tech (Cam)
GM Tech (Cam)
Chevy Technician
Vocational, Technical or Trade Scho
15,659 satisfied customers
Runs rough, no power on acceleration..ECM..fuel pressure
Runs rough, no power on acceleration. multiples codes. Possible bad ECM? Acts like low fuel pressure.… read more
GM Tech (Cam)
GM Tech (Cam)
Chevy Technician
Vocational, Technical or Trade Scho
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Suburban: rpm..exhaust..surge develops at lowers speeds..antifreeze
I have a 1996 7.4L suburban having a surge at heavy load and at cruising about 50mph and up.Checked fuelpressure and have 35 to 40psi at idle.And when bringing rpm up off idle drops to 35 psi.Had exha… read more
Jerry Newton
Jerry Newton
Vocational, Technical or Trade Scho
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99 chevy: I just place a spider fuel injector...if..starter..flywheel
I just place a spider fuel injector in a 99 chevy 4.3 .and now the engine don't want to turn over at all.if you try to start it it sound as though the starter having a hard time going thru the flywhee… read more
Hal
Hal
owner/service tech
Vocational, Technical or Trade Scho
925 satisfied customers
2005 chevy Trailblazer: 4.2L I6, LT1 pkg, 4X4, SWB, VIN
I have a 2005 chevy Trailblazer, 4.2L I6, LT1 pkg, 4X4, SWB, VIN: 1GNDT13S252219413, W/115,000. +/-. Recently, at idle, the engine stumbles, like it is going to stall, then runs rough, at idle for a f… read more
frank
frank
Vocational, Technical or Trade Scho
1,892 satisfied customers
2004 chevy: tach..it works it way back,now the speedometer..mph..dim
Hi I have a 2004 chevy trailblazer.The problem is the tach goes all the way to the right and over time it works it way back,now the speedometer is doig the same,going all the way to 120 mph then after… read more
Dave Nova
Dave Nova
Chevrolet Technician
Associate Degree
7,092 satisfied customers
2005 Trailblazer: accelerating..headlights dim..drops down
I have a 2005 Trailblazer. When passing or accelerating the headlights dim and the voltagemeter drops down. No other systems are affected. I had the altenator replaced already. Any solutions?… read more
Joshua
Joshua
High School or GED
80 satisfied customers
2003 chevy: 4x4..stalling..traffic, or idleing in the drive way
I have a 2003 chevy trail blazer 4x4 with I-6 engine, 65k miles that has been stalling while stopped in traffic, or idleing in the drive way. this has occured 4-5 times in the past few weeks, and i am… read more
Dan
Dan
Auto Technician
Associate Degree
2001 Chevy TrailBlazer: 6cyl..w/AC..Started running..run fine
2001 Chevy TrailBlazer 6cyl w/AC - Started running a little rough approx 3 -5 days ago. Then would run fine. Yesterday the check engine lite came on. Contacted "On Star" and was informed of a fuel rel… read more
BOBBYSS
BOBBYSS
Automotive Repair/Damage Investigator
Associate Degree
14,567 satisfied customers
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Meet the Experts:

GM Tech (Cam)

GM Tech (Cam)

Chevy Technician

15,659 satisfied customers

GM Grand Master Technician 2007. 14 years experience.

Gary

Gary

Chevy Technician

18,051 satisfied customers

15 years GM master tech

Tim&#039;s Auto Repair

Tim's Auto Repair

mechanic

8,884 satisfied customers

Have owned a repair shop for 25 yrs.

Dave Nova

Dave Nova

Chevrolet Technician

7,092 satisfied customers

ASE Master Certification. GM World Class Certification

John

John

Master A.S.E Automotive technician

4,071 satisfied customers

A.S.E MasterTechnician A1-A8 w/L1,38 years experience General Motors Master Technician

Don - Mo Lurch

Don - Mo Lurch

Auto Mech / Electronics

2,953 satisfied customers

Chevrolet Cert., Heavy Line Mech, Race Shop Owner, Mobile Electronics.

Ron Z.

Ron Z.

- Chevy Tech -

2,836 satisfied customers

18+yrs experience. State Inspector and Chevy Diagnostics

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