Thread: What did you do to your Car today?

did a road trip to pick up a new to me engine. and a load of parts for it. and a literally 2 hand fulls of pcms lol

Tried making some custom gauges today. Turned out like ****. I've got an idea to try fixing it, though.

Well^^^

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Got sun visors fitted to go in trans am. Fixed amp and sub wiring in gp. Replaced strut and spring in gp

Welp, 1 if not 2 of the injectors I put in yesterday are bad. I'm getting a cylinder 2 misfire code, and Torque shows me misses on 1 and rarely 6. I ran Techron through them today on a 100 mile road trip with no help. Oh well. Hopefully it wont snow tomorrow.

Put my new bulbs in, made the problem worse in a different way. Put old bulbs back in, also tried getting my housing caps to work but they are too big so back to duct tape.

Originally Posted by Booba5185

Welp, 1 if not 2 of the injectors I put in yesterday are bad. I'm getting a cylinder 2 misfire code, and Torque shows me misses on 1 and rarely 6. I ran Techron through them today on a 100 mile road trip with no help. Oh well. Hopefully it wont snow tomorrow.

Have you tried giving them a little tap with a small hammer? I brought a dead injector back to life on our minivan with a little jewelers hammer.

I might try that tomorrow, its not totally dead I barely feel it at all.

Attempt 2 was far more successful. It's darker than the original, but it's still very readable. Not as bad as the picture makes it look.

So are you going to put gas in it bro?


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Within the next few days when it's registered again. Thirsty ***** hasn't had more than a quarter tank in a year and a half. $20 put in it since June 2013.

Now you need the others too match and you are set.

Originally Posted by Scottydoggs

whos the man!!!!! now wtf are you gonna do with it? lol step one done.

I'm excited. I haven't really had time to mess around with it yet today but hopefully tomorrow I'll mess with it and fix my trans settings.

Drove it to Indy and back this weekend. Average 24 mpgs. Now its sitting in the driveway waiting for the snowpacolyps to happen.

Originally Posted by revin24

Oh man I don't wanna hear that I just got a 2005 envoy v8 and I have on it

Not to be debby downer even more but those 5.3's in the trailblazers/envoys the most prone to a lifter failure. They were one of the first motors to have the DoD/AFM and they are also an all aluminum engine block (not a factor really).

Every motor won't act the same so there is always a chance you'll never have an issue. I'd just keep an eye on oil burning though, happens with the early DoD motors. Tuning it out would be best and you'll only lose maybe 1 mpg.

What are the signs of lifter failure? My Grandpa has a 08 Avalanche and it ticks really bad when first started until your let it idle for a while or drive it for like 5min.

Lifter tick and piston slap are extremely common on LS motors. Piston slap was more so heard on the earlier 4.8, 5.3 and 6.0's. My 2006 doesnt have it but just lifter noise, I'd just guess at 99-04 hear it alot more. When cold the pistons would kinda rocked back and forth untill they warmed up and expanded. GM said it didnt damage the motor or anything so they said it was normal.

Lifter tick can be from old worn out lifters or because when started cold all the oil had drained out and back into the oil pan overnight. They tick untill they are pumped back up with oil.

A lifter failure can grenade and eat the camshaft, bend a pushrod and cause some damage. From what I see on DoD/AFM motors, the DoD lifter(s) will start making noise all the time or they will fail and cause a harsh misfire. The lifter will collapse and need to be replaced.