donbrew

Pending means it only happened once this drive cycle, no CEL set. If it happens twice it becomes "proven" and sets a CEL.

Different codes have different parameters for setting a CEL, I'm pretty sure that's correct for this one.

Faults like p0420 that can damage the cat only take once.

MrRiceGuyRJ

Cool! I just ordered one online since the local stealerships were twice as much at $70. I'll let you guys know if it works.

whopper

Good deal - yeah, we'd like to hear how it worked out. Best of luck.

MrRiceGuyRJ

Just wanted to say thank you for all of your help. I swamped out the exhaust solenoid before the weekend and just drove about 1200 miles without a single issue. It appears to be resolved. Thanks so much for your help

low_k3y

Wow see I'm not the only one... I've read thru the 13 pages. Have yet to confirm what causes this.

My wifes 07 2.4 started doing this and threw a code for p0014 and p0016. I replaced the camshaft actuator solenoid but yet it still continues to do this. I don't want to go throwing hundreds of dollars out on sensors. The thing shifts brutally hard and idles oddly like it has a cam.

any advice? could it be the intake solenoid? or actual cam sensor?

Oldblue

A P0014 DTC trouble code may be caused by one or more of the following: Incorrect camshaft timing Wiring problems (harness/wiring) in intake timing control valve control solenoid system Continuous oil flow to VCT piston chamber Failed timing valve control solenoid (stuck open)



P0016

Causes may include: Timing chain stretched, or timing belt skipped a tooth due to wear Misalignment of timing belt/chain Tone ring on crankshaft slipped/broken Tone ring on camshaft slipped/broken Bad crank sensor Bad cam sensor Damaged wiring to crank/cam sensor Timing belt/chain tensioner damaged

Read more at: P0016 Crankshaft Camshaft Position Correlation DTC
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ImNewHere

Mine started the traction control light, hard shifting, then CEL on later thing again. Last time I took care of it by removing and cleaning the throttle body, so I did it again and no dice. Didn't fix it. I finally found my OBD2 cable and hooked my laptop to it, and multiple P0014 codes from over the past week came up, and another was pending. I went and bought the exhaust solenoid, and figured while I was at it I'd also do the intake solenoid. CEL is still on because I didn't clear it, but the traction control light went off.

I do want to know why the 2006 HHR sets the traction control light and does the hard shifting thing when there is a pending fault. It makes no sense to me.

whopper

Because that's the way Chevy did things. After you replaced the solenoid you needed to clear clear the CEL - best and easiest way is to disconnect the NEGATIVE post at the battery under the rear floor for 2-5 minutes. If you had cleared it, the hard shifting, traction control light and the CEL all would have gone out/away.

ImNewHere

The hard shifting and traction control light went away. I normally would use my laptop to clear the check engine light, but since the issue is fixed now I will let it simply clear through key cycles. It should go away some time today, but if not I'll clear it at home.

ImNewHere

I had enough key cycles for the CEL to go out and all is well.