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Need a little help

 
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  • 2 Post By ptcruisersteve
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Old 10 Aug 2016, 07:58 pm
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Default Need a little help

Just finished working on my friends 2005 pt cruiser turbo and I'm getting the error codes p0300 and p0016 both times two. Just put in new map sensor, battery, timing belt, alternator, and motor mounts. Any idea what I should check first to remedy the problem? Runs good at normal speed but not good at an idle.
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Old 10 Aug 2016, 08:09 pm
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Default Re: Need a little help

P0016 -Crankshaft/Camshaft Timing Misalignment Conditions:

Possible Causes:

Base engine problem - the camshaft timing is not correct
Intermittent condition Crankshaft or Camshaft Sensor signal is erratic
Tone wheel or pulse wheel is damaged
Camshaft or Crankshaft Sensor, harness or connector has failed
PCM has failed

How did you set the camshaft timing when you put the new timing belt on?

Did you take a bar across the inside and the outside marks to make sure they are roughly aligned?

Front of Cams with symbols.JPG
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Last edited by ptcruisersteve; 10 Aug 2016 at 09:33 pm.
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Old 10 Aug 2016, 09:01 pm
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Default Re: Need a little help

Not exactly.

Here's a photo I put together back in December. Looks like we both chose the same image to use.




Based on the position of the cam lobes and where they like to rest, it's very easy to get the exhaust cam sprocket one tooth off.
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Old 10 Aug 2016, 09:37 pm
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Default Re: Need a little help

Not exactly.

CamGearTiming1 with mark.jpg

Actually if you notice the picture. The outward are out in the low side. The inner marks line up directly through the center of the sprocket. That's why you should disregard the outer marks.
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Last edited by ptcruisersteve; 10 Aug 2016 at 09:41 pm.
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Old 11 Aug 2016, 03:14 pm
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Default Re: Need a little help

I wouldn't worry about the outside marks. It's the ones on the inside that need to match. Those and the crank mark for TDC. I don't even understand WHY those marks are on the outside of the cams. Does anyone here know for sure?If so, please elaborate.
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Old 11 Aug 2016, 04:10 pm
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Default Re: Need a little help

I believe the outside marks are there because it makes the intake and exhaust cam sprockets interchangeable. They are the same part. And that's also the reason the inside and outside marks aren't inline with the sprocket center. If they were, they would line up differently depending on which side you put them one due to the angle of the cams in relation to one another.
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Old 11 Aug 2016, 10:25 pm
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Default Re: Need a little help

OK well I thought I got the belt on correctly so maybe it's something else? At an idle it barely stays running but as soon as I build up a little speed it runs great. I also got the p0300 code for cylinder misfire and I'm pretty sure I have a vacuum hose leak that I'm about to try to find now. Anything to avoid having to get to the timing belt and be awesome so hopefully finding the leak works.
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Old 12 Aug 2016, 07:19 am
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Default Re: Need a little help

Check for the vacuum leak first. You definitely have the symptoms of one. Get some carb cleaner and spray around the intake and all of the hoses you see. If there's a leak, it'll speed up. If not, maybe you need to check the cam sensor and see if it's got oil on it. Check the plug on it too. Clean the connection with CRC electrical cleaner or an equivalent product. And I have to ask when's the last time you changed the plugs, wires and PCV valve and cleaned the throttle body?
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Old 12 Aug 2016, 09:12 am
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Default Re: Need a little help

I would suggest getting a vacuum reading using a vacuum gauge. if the belt is off a tooth it will reflect in either a very high idle HG or very low.

An engine that is in good condition will idle between 16-18 steady on most 2.4 engines.
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