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  #1 (permalink)  
Old 02 Feb 2019, 04:29 pm
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Location: Rochester, Michigan
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Default no start

Recent extreme cold weather here but my 08 PT base 80K mi had been starting reliably every morning... except yesterday.

Engine cranks but will not start.
Can hear fuel pump running when first turning on key. Can smell fuel at exhaust pipe after cranking, so probably getting fuel OK

Timing belt probably OK as cam sprockets are turning.

Getting codes P0562 low voltage (probably from the cranking) and
P0700 transaxle malfunction ???

Weather finally moderated today with temps well above freezing but still no start.

Been recharging battery (new last summer) after every starting attempt...
plugs and wires also new.

Just wondering if it would be worth, on a guess, changing out the coil pack ?

Any ideas would be appreciated, trying to avoid a tow to the dealer.
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Old 02 Feb 2019, 06:23 pm
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Default Re: no start

I would suggest a battery load test. Batteries can go bad anytime. Make sure battery cables and connections are good.

If you have a voltmeter check to see what the voltage is when starting it.
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Last edited by ptcruisersteve; 02 Feb 2019 at 06:26 pm.
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Old 02 Feb 2019, 06:37 pm
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Default Re: no start

Quote:
Originally Posted by ptcruisersteve View Post
I would suggest a battery load test. Batteries can go bad anytime. Make sure battery cables and connections are good.

If you have a voltmeter check to see what the voltage is when starting it.
Should have mentioned... performed a battery load test, also checked specific gravity, all cells OK. All battery connections and grounds are clean.
Will check cranking voltage.
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Old 02 Feb 2019, 09:53 pm
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Default Re: no start

What year is your Pt Cruiser?

If you have the second generation Pt Cruiser with the TIPM it is possible that your TCM is not getting enough voltage triggering your P0700 code.

Have you tried resetting the DTC's with an OBDII Scan Tool to see if the same codes come back?

What battery voltage you get when you are cranking the engine will tell you if you might have something pulling down the battery voltage such as the generator. Do your homework before replacing any components. We can help try to determine what the problem might be.


This is for first generation Pt Cruiser up to year 2005.

P0562 Possible Causes:

1. Resistance is high in battery positive circuit or in generator case ground
2. Ground circuit is open or has high resistance Fused B+ circuit to TC relay or to PCM has high resistance Intermittent wiring or connector condition
3. TC relay output to TCM is open or has high resistance
4. TC relay has failed
5. Generator field driver circuit is open
6. ASD relay output circuit is open
7. Generator has failed
8. PCM has failed
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Last edited by ptcruisersteve; 03 Feb 2019 at 12:43 am.
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Old 03 Feb 2019, 03:31 am
_PTGT03's Avatar
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Default Re: no start

get a new battery and clean up the terminals check the ground wire for strong connection
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Old 03 Feb 2019, 07:58 am
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Default Re: no start

If you've never replaced the plug wires, now might be a good time. They get weak after several years and won't carry the spark.
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Old 03 Feb 2019, 05:49 pm
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Default Re: no start

Quote:
Originally Posted by chuzz View Post
If you've never replaced the plug wires, now might be a good time. They get weak after several years and won't carry the spark.
battery, plugs, wires replaced last summer

btw, do you fly a 51 ?
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Old 03 Feb 2019, 05:55 pm
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Default Re: no start

update...
checked cranking voltage = 10.5 volts
voltage drop on positive battery cable to starter = .1 volt
voltage drop on negative battery cable to engine block = .1 volt
tried jump starting with 2 different vehicles, no help
tried another known good battery, no help
swapped out the coil pack just for the sake of it, no help

thanks for the replies so far
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Old 03 Feb 2019, 08:46 pm
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Default Re: no start

Quote:
Originally Posted by Carl48 View Post
update...
checked cranking voltage = 10.5 volts
voltage drop on positive battery cable to starter = .1 volt
voltage drop on negative battery cable to engine block = .1 volt
tried jump starting with 2 different vehicles, no help
tried another known good battery, no help
swapped out the coil pack just for the sake of it, no help

thanks for the replies so far
10.5 volts is a failure voltage. you should not see below 11.0 volts when cranking with a healthy battery. plus, if you meter supports it, do the 'minimum' voltage button and that will give you the most accurate voltage the battery drops too when cranking.

buy a can of starter fluid and spray it in the intake while cranking. if the engine starts up, your fuel is the problem
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Old 03 Feb 2019, 10:23 pm
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Default Re: no start

I would suggest checking all the ground wires especially the 7 ground wires going to the driver's side inner fender (2) of them goes to the PCM. The group of ground wires have been know to corrode and it is hard to see until you physically look at them.

Also check all the wires going to the alternator to make sure they are not shorting or disconnected.

Did the P0562 code come back after resetting it with an OBDII Scan Tool?

Was anything replaced or worked on before the P0562 got triggered?
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Last edited by ptcruisersteve; 03 Feb 2019 at 10:53 pm.
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