- high idle
- AC problems
- Code P0410, 8 Mpg!!! Help!!
- sweet new info found on driving cycles..
- beware of rain
- OBD II Cylinder 4 issue
- Body Control Module
- uh oh - not again? Replace Fan Clutch $755.99 - 2004 Trailblazer
- Temp went up wit with a/c on
- P1271 - Reduced Engine Power
- Mirror Controls Not Working
- Transmission cooling line threads stripped - How to fix?
- Maintenance for 75K?
- PCM Flash when replacing fan clutch???
- idling issues
- ABS Brake light
- Blown head gasket at 47K!!!
- How To: Replace a Fan Clutch
- fuel return line
- Not shifting to 1st
- 8/80 Warranty Questions... Pcm, Resonator
- Hello and HELP ODBII port is Dead and..
- Stumbles on acceleration
- service engine lite
- Darn sun roof
- 03 trailblazer problems
- Hesitation Bad Idle with AC on even after TB cleaning
- DOC port for code readers has no power.
- "Roaring" sound from new Fan Clutch
- Fan Clutch/Throttle Body/Accelerator - WHICH ONE or anywhere else???!!!
- 2K RPM burp
- Cylinder 5 Misfire - which one??
- A/C Problem and Fixed
- Tire Pressure senders
- Rust! Post here if you have it!
- Brake lights won't turn off
- Running hot? or defective part?
- 02 problems
- DRL help
- No Reverse
- Possible Ice ?
- no downshift
- Shifter won't manually shift into 1st gear
- Power died while running...
- STABLITRACK issues
- spider gears
- Where to repair ?
- Center Consule
- New findings on my rear end.
- Head Gasket Replacement
- ignition switch
- A/C and transmission
- Door Reflectors
- Water pump defective ?
- fan blade wobbling
- Center Consule HELP!!!
- Uneven brake wear all 4 corners!
- 2003 Oxygen sensor part numbers- updated
- Brake Noise
- Lighting
- Clogged Cat? How Will I Know For Sure?
- Erratic Speedodometer Reading
- 04 Trailblazer-After multiple fixes, still eratic idle and loss of power
- Head light Bulb change
- ECT code? What to check
- Got a code P105
- Oil on #3 plug
- DRL Question????HELP
- I6 stuttering hesitiation
- Funny engine noises
- cylinder 1 misfire
- AC blowing hot air
- Reverse charge
- 02 LS I6 won't idle with a/c on.
- 02 LS I6 won't idle with a/c on.
- 03 trailblazer cel and code help.
- Water Pumps ( Help )
- Water Pumps
- P0410 Code
- Thermostat replacement - now the car "runs funny"
- Finally Replaced Thermostat
- Antifreeze smell/fan clutch
- New Fan Clutch, same F18 roar. Help.
- Spark Plugs 41-103 (Venting)
- Help me want to keep my I6
- A.C. & heat has foul smell
- 02 envoy hesitation at idle surges at midrange
- Replacing/Ordering Cat. Need To KNow Diameter of Exhaust Pipe
- A/C Compressor replacement
- SES and Reduced Engine Power - Code P2135
- 2WD vs AWD MPG
- Possible Exhaust monifold leak???
- Rear AC/Radio problem
- Need info on 03019 policy, and help with EVAP problems
- Last spark plug
- P0455 code
- 05 trailblazer: Turn off ignition, engine keeps running
- fan clutch nut cross threaded
- My engine shaking my blazer at Idol...Help
- Possible fuel pump problem
- p1400 mystery
- Replacing master window lock switch
- heated mirror not working
- BANK 1 and BANK 2 codes car shakes and hesitates
- problem after installing new ignition switch
- Serpentine Belt
- CV Boot Leak
- P0301 code
- Battery won't hold a charge.
- high rpm at ignition.
- Electrical - Dealer not helping!
- 05 I6 Engine Noise
- Belt tensioner rattle....
- OEM Service Tag Replacement
- Need to vent
- Engine Rattle.
- Engine Whirring
- Rough Idle Only In D & R At Stop
- Need Advice Removing Bolts From Exh. Manifold/Exh. Pipe
- How do I replace the cooling fan wiring harness
- I6 Troubles
- hesitation when accelerating
- totally confused
- ac, fan clutch, starter delay, misc questions
- Replacement Idler Pulley
- Wiring Diagram
- Reduced engine power
- Looking for Map Sensor...
- Roush idle issue...
- Code P0758 need help
- Rear air bag replaced by springs?
- Bad fuel injectors...
- Removing fan from water pump..
- Battery...or worse?
- 04 Ext P0442
- battery problem?
- Voltage fluctuating at Idle.....
- Knocking in the engine but it seems to run fine.
- new pcm more problems
- Electrical Issues
- Service Engine Light
- Cleaned Throttle Body and Having Problems
- Possible Wire Harness Issue = P1271
- Transmission issues
- Where is fuel filter located 05' I6?
- Back From Road Trip With Some Very Interesting Observations
- 02 Exhaust Manifold Bolts
- its baaaaaack
- Radio turns on vehicle off kills battery
- GM part number for Wire Harness
- Engine stalls at low speed with 0340 code
- Multiple problems all at once?---it won't start!
- Thermostat replacement
- more stalling, more low oil pressure, now erratic fuel guage and reading
- Grinding in the Drivetrain
- Sporadic fuel level and engine light
- EXT W/rear heater core
- Transmission Question
- secondary air injection pump?
- PCM or ECM?
- Service Engine Light
- Clunk!
- Multple engine codes
- Nothing works but the engine
- Changed thermostat , now I have problems!!
- PO 128 engine code
- Trailblazer keys
- Transmission Slipping/Flare
- Differential Info
- Timing belt/chain?
- o2 sensor trouble codes p0130 & p0133
- Engine Mounts
- Thermostat Question
- Front Engine Noise
- Rear Wiper
- SES light on and off based on Fuel Level
- Check Engine Light - Cylinder Misfire
- P0410 - new check valve & pumps works. ?
- 2002 TrailBlaizer HVAC Mode Actuator
- 2002 Trailblazer - Fuel Filling problems
- I6 exhaust manifold
- Cell Phone Antenna
- GM Dealer NOT replacing bad cat under Federal Warranty - HELP
- tranny problems.. stuck in third! lots of codes
- Envoy idle at 395RPM's????? Rough idle
- Need upgraded fuel pump for 02 Bravada<HELP
- Actron CP9125
- Changing Cam Sensor
- Whining Noise - I've Searched [see video]
- fuel injectors
- Stalling at a stop and rough start during a hot start?
- Keyless Entry Inop - Checked most Everything Listed - Help!
- 06 trailblazer fuel gauge/ ignition problems
- 4x4 switch and HVAC fan switch not working
- Belt Tensioner
- Idle high/ Cleaning throttle body
- Headlights flicker
- I think i'm burning oil...
- Hesitation and very rough idle...before and after TB cleaning
- stabli trac
- Brakes
- Slight bog off idle
- might have to trade the TB
- TB cranks but wont start after disconecting neg battery cable
- How To FIX Spliced Wires in TB LiftGate Module?!?
- Spiral Cell or Gel Cell?
- In park Misfire... ?
- Mileage Vs. Breakdowns.
- fuel sending unit failure
- Change Oil Light
- my car wont start
- lights dim when window goes up
- Hard shifting, bump after 1-2 upshift, sluggish acceleration
- No Start!?!?
- Radio cutting out = battery dying
- 03 Trailblazer Issues
- Ignition Switch Problems
- Manual Idle Adjustment
- Fuel in air intake resonator?
- Problem with visor lights and all interior push lighting
- Trailblazer jerking
- How do I change a fuel filter - Envoy '03
- 2003 Trailblazer Heater not working
- jumpy tachometer
- 03 Trailblazer Heater Problem
- O2 Sensor? What should they read?
- idle issue
- new member with questions
- Percentage of engine power
- Sluggish acceleration despite high rpm
- Recommendations for new owner?...
- engine light-abnomal coolant temp
- Power Steering Fluid Leak
- Weird noise
- really dumb question
- need help finding fuse
- Stripped the Fan Clutch Nut!
- What's my issue?
- Valve Cover Gasket Replacement
- Thanks for the brake tip.
- Power Seat Failure - Help.
- O2 Sensor issues
- Engine quit @ hwy speed
- wont rev past 2500 rpm
- 02 Envoy goes into AWD by itself, light flashes
- Hanging latch?
- Gas Tank Capacity
- "Help" Where do I start, SES REP lights?
- power steering pump whine
- A/C Compressor Whine