Check engine light keeps returning. Tried a few different things. Please help

Asked by Feb 09, 2016 at 03:33 PM about the 2005 Chevrolet Silverado 1500 LS Ext Cab 2WD

Question type: Maintenance & Repair

I have had a recent engine rebuild done (engine was horrible before, would shut off on its own so it was time for a rebuild, cam bearings were horrible, pistons shot, etc). Since the rebuild I noticed a strange shimmy in my idle, that almost can be felt during driving. (I have a lifted truck so its hard to tell if its the road or the engine). It idles fine, oil pressure is 40psi after warm up during idle, and around 60ish after warm up while driving. I have replaced 4 sensors, had the shop check the codes and reset about 3-4 times now. It appears after driving about 20 miles.

When the light reappears, the trucks shimmy seems worse but somewhat mild before the light appears. First check engine code showed that 2 sensors were out so I replaced them all minus the mass airflow sensor. Anyone able to help me with this please? I don't want to give up on this truck.

4 Answers

"it idles fine" as in, the rpm is where it should be. But it the truck itself shimmy's during idle, and there feels like there's a slight hesitation (shakiness) during driving.

60,045

Have you checked the timeing on the truck with a timeing light?

42,585

And stick with it, a new engine can take some time to get the bugs out. What was you last code?

1 out of 1 people think this is helpful.

Update - I noticed that when i press up on both window buttons on the driver side (as if to roll the windows up) my interrior lights as well as my headlights dim slightly, and my idle drops as well with a shimmy. My battery gage shows 2 lines past the mid point of 14. thanks for the advice rowefast, im really trying to hang on to this truck.

Your Answer

Add photo

Related Questions

  • Engine Shutting off after about 10-20 seconds on 2004 Silverado 1500 54 answers

    Can anyone shed some light on this problem. After driving my 04' Silverado 1500 all day without any problems, after the truck sat in the driveway for a couple of hours, the truck started right up, but...

    2004 Chevrolet Silverado 1500

    -

    Maintenance & Repair

  • please help 3 answers

    i am missing christmas with my family because of my 03 chevy silverado 1500 5.3 vortec, reduced engine power...keeps saying its asp. have new battery, new o2 sensors,new water pump, new fuel filter,...

    Chevrolet Silverado 1500

    -

    Maintenance & Repair

  • Loud Tapping Noise:2009 Silverado 26 answers

    Tapping noise is noticable when at stop light, when engine is turned on and when im parking. I notice the noise a few days oil change at goodyear. My truck has been with the GMC since 3/15/2011, and s...

    2009 Chevrolet Silverado 1500

    -

    Maintenance & Repair

  • Loud knocking noise 5.3 53 answers

    I have a loud knocking noise coming from the engine . At first I thought it was comin from the top but when i get under it it's alot louder sounds like its comin from the oil pan. I had the transmissi...

    2005 Chevrolet Silverado 1500 Z71 Crew Cab 4WD

    -

    Maintenance & Repair

  • CHECK ENGINE EXPERTISE PLEASE SUGGESTIONS.......... 18 answers

    I just got this past week a major tune-up, engine degreased, 02 sensor changed, AC compressor, evaporator\dryer and expansion device, serpentine belt and belt tensioner assembly, and new rack and pini...

    1988 Chevrolet Corvette Coupe

    -

    Maintenance & Repair

Silverado 1500

Looking for a Used Silverado 1500 in your area?

CarGurus has 151,051 nationwide Silverado 1500 listings starting at $1,500.

ZIP:

Search Chevrolet Silverado 1500 Questions

UK Questions

Are you a UK consumer? CarGurus now has a discussion forum in the UK.

Chevrolet Silverado 1500 Experts

#1 John Carson
John Carson
Reputation 1,760
#2 Silverado_owner_2006
Silverado_owner_2006
Reputation 1,490
#3 tenspeed
tenspeed
Reputation 1,420
View All

Related Models For Sale

Used GMC Sierra 1500
1,020 Great Deals out of 59,950 listings starting at $1,299
Used Ford F-150
3,039 Great Deals out of 207,184 listings starting at $1,990
Used Dodge Ram 1500
530 Great Deals out of 13,023 listings starting at $1,800
Used Chevrolet Silverado 2500HD
395 Great Deals out of 27,124 listings starting at $2,998
Used Toyota Tundra
672 Great Deals out of 27,889 listings starting at $2,500
Used Toyota Tacoma
714 Great Deals out of 31,623 listings starting at $2,750
Used Chevrolet Tahoe
859 Great Deals out of 27,923 listings starting at $1,700
Used Chevrolet Colorado
312 Great Deals out of 17,661 listings starting at $1,995
Used Ford F-250 Super Duty
440 Great Deals out of 42,865 listings starting at $2,750
Used Chevrolet Silverado 1500HD
11 Great Deals out of 313 listings starting at $4,988
Used Chevrolet Silverado 2500
5 Great Deals out of 281 listings starting at $3,995
Used Chevrolet Avalanche
235 Great Deals out of 5,839 listings starting at $2,400

Used Cars For Sale

2017 Chevrolet Silverado 1500 For Sale
61 Great Deals out of 88,023 listings starting at $19,077
2016 Chevrolet Silverado 1500 For Sale
271 Great Deals out of 11,493 listings starting at $15,992
2015 Chevrolet Silverado 1500 For Sale
269 Great Deals out of 7,107 listings starting at $15,977
2014 Chevrolet Silverado 1500 For Sale
477 Great Deals out of 10,710 listings starting at $12,500
2013 Chevrolet Silverado 1500 For Sale
296 Great Deals out of 6,213 listings starting at $8,995