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Won't start after new timing belt and related

 
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Old 31 Mar 2017, 02:42 pm
RVC RVC is offline
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Default Won't start after new timing belt and related

Today was the day, but it was not to be. All that resulted was a slight smell of gas and a P1684 code, which I understand means the battery had been disconnected within the last 50 crank-ups. The engine showed no signs of wanting to run.

I checked the new belt alignment by turning the crank over 720 degrees (three different and separate times) and the marks lined up perfectly each time. The plugs and wires were also replaced.

Two hoses coming off the camshaft cover are in bad shape and are missing, but I don't believe they are vacuum related. The only other hose that could be vacuum is in good shape and disappeared back into the passenger compartment.

If anyone could shed some light on this I would sincerely appreciate your help.

Thank you!

RVC
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Old 31 Mar 2017, 03:51 pm
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Default Re: Won't start after new timing belt and related

If you had the coil harness and cam sensor harness disconnected, they have the same connectors and are easily switched to the wrong connection.
If it was running before, that probably the problem.
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Old 31 Mar 2017, 04:59 pm
RVC RVC is offline
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Default Re: Won't start after new timing belt and related

They're both in their correct locations. Thanks, though.

RVC
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Old 31 Mar 2017, 07:30 pm
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Default Re: Won't start after new timing belt and related

I would suggest checking for spark. Did you check the wires going to your camshaft and crankshaft sensors?

Also check fuel pressure. Should be 58 +/- 5 PSI

Did you reset codes with OBDII Scan tool?
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Old 31 Mar 2017, 08:31 pm
RVC RVC is offline
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Default Re: Won't start after new timing belt and related

Thank you for your response, Steve. I have not had a chance to check anything you mention yet.

I obtained the single code using the 'ignition key switch' technique. I have not reset that code as I have no scan tool to do it with. Can you recommend a fairly decent and reasonably priced tool I might purchase?

I have not checked for spark yet but will do so first thing tomorrow. Regarding the wires to the camshaft and crankshaft sensors, do you mean checking them for actual voltage or just for continuity? In any event I have a multi-meter that should work for that.

I very much appreciate your input.

RVC
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Old 31 Mar 2017, 08:33 pm
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Wink Re: Won't start after new timing belt and related

Quote:
Originally Posted by RVC View Post
Today was the day, but it was not to be. All that resulted was a slight smell of gas and a P1684 code, which I understand means the battery had been disconnected within the last 50 crank-ups. The engine showed no signs of wanting to run.

I checked the new belt alignment by turning the crank over 720 degrees (three different and separate times) and the marks lined up perfectly each time. The plugs and wires were also replaced.

Two hoses coming off the camshaft cover are in bad shape and are missing, but I don't believe they are vacuum related. The only other hose that could be vacuum is in good shape and disappeared back into the passenger compartment.

If anyone could shed some light on this I would sincerely appreciate your help.

Thank you!

RVC
I would not discount the importance of any hoses that you did not ensure were re-installed correctly to ensure for certain you have no vacuum leaks. That is especially important on a map engine configuration as is the 2.4 in the pt cruiser. You see the map sensor monitors intake vacuum and generates a signal to the pcm to adjust the timing and fuel mixture in proportion to the measured vacuum coming from the map sensor. If the vacuum has a leak somewhere that will be detected by the map sensor and the pcm will recieve that info from the map and adjust timing and fuel based on the input and can cause your condition especially since you say you smell fuel that could be a clue. Also check the other items members have mentioned. If it ran good before and now you have the issue it most likely was induced. Pictures can help a lot taking some before tear down shots to reference when going back together.
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Old 31 Mar 2017, 11:14 pm
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Default Re: Won't start after new timing belt and related

Quote:
Originally Posted by RVC View Post
Thank you for your response, Steve. I have not had a chance to check anything you mention yet.

I obtained the single code using the 'ignition key switch' technique. I have not reset that code as I have no scan tool to do it with. Can you recommend a fairly decent and reasonably priced tool I might purchase?

I have not checked for spark yet but will do so first thing tomorrow. Regarding the wires to the camshaft and crankshaft sensors, do you mean checking them for actual voltage or just for continuity? In any event I have a multi-meter that should work for that.

I very much appreciate your input.

RVC
This is a reasonable cost OBDII Scan Tools.
Search results for: 'obdii scan tool'

Only make sure the connections going to both sensors are good if you don't have any spark at this time.
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Old 03 Apr 2017, 05:32 am
RVC RVC is offline
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Default Re: Won't start after new timing belt and related

Thank you all for the help received to this point. I'm new to world of auto electronics. From input received so far it appears the next thing I should buy would be a OBDII scan tool. I know nothing about these tools or how to use them. I've found them on-line ranging from $20 or so on up to unaffordable. Are the $20 ones good enough for determining and clearing codes at this point or should I look for some that are more "advanced," whatever that means? All I need is something that will help get me running again now. Eventually I will purchase something more substantial. Thank you.

RVC
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Old 03 Apr 2017, 01:22 pm
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Default Re: Won't start after new timing belt and related

I've owned a couple of these $14 scanners. They seem to work great.

https://www.amazon.com/gp/product/B0..._rd_i=15707381


Here's the last one I bought for $20. It will tell you what the code means so you don't have to look them up.

https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1
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Old 03 Apr 2017, 02:28 pm
RVC RVC is offline
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Default Re: Won't start after new timing belt and related

Excellent! This is what I wanted to hear. It's ordered and on its way. Thanks very much.

RVC
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