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Old 16 Jul 2017, 03:42 pm
Fresh Cruiser
Join Date: May 2016
Posts: 3
Default P0340


Was riding down the freeway and lost power to my vehicle. Code P0340 popped up and I replaced the sensor. Car sounds like it wants to start when the key is turned but won't go all the way. 130k miles and haven't had any other issues with it.

New spark plugs, sensor, and battery is fully charged. Any thoughts?
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Old 16 Jul 2017, 03:50 pm
Obsessed Cruiser
Join Date: Sep 2001
Posts: 27,755
Default Re: P0340

When mine quit on a highway with a 340, it turned out to be the wiring harness to the Camshaft sensor. It runs around back of the engine and it came loose and dropped low enough to hit the spinning half shaft and burn the wires.

11pm at night on Route 95 in the middle of South Carolina. Called my tow company (Chevron Auto Club) and they towed me to the nearest Chrysler dealer (closed) and left the car and he took me to a motel. Picked me up the next morning. They looked at the code and they were going to change the sensor until the mechanic got under the car and saw the dangling harness with burned wires. He put the wires together with shrink wrap and it's been running like that for about 8 years.

Tow truck broke two of my undercar LED lights but didn't know it till after I got home.
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Last edited by CREWZIN; 16 Jul 2017 at 03:52 pm.
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Old 16 Jul 2017, 04:29 pm
Obsessed Cruiser
Join Date: Aug 2014
Location: Thousand Oaks, CA
Posts: 7,493
Default Re: P0340

We need more information.

Is your Pt Cruiser year 2006?

Did you obtain the code with an OBDII Scan tool?

PT Cruisers are sensitive to low battery voltages. Have you had your battery load tested in the PT Cruiser. Do not take out the battery. This will check the battery and the battery charging system.

If the battery and battery voltage is good you need to check to see if you have spark or fuel pressure. Check to see if you have spark on all four cylinders. If you don't have spark take the camshaft sensor off and crank the engine to see if the camshaft is turning. If you have spark check to see if you have 58 +/-5 PSI fuel pressure.
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Last edited by ptcruisersteve; 16 Jul 2017 at 04:43 pm.
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Old 16 Jul 2017, 04:51 pm
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Join Date: Aug 2015
Location: Lake Wales, FL
Posts: 5,011
Default Re: P0340

You ever had the timing belt changed? If not, I'd have a look at that.

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