02 Intrepid. I NEED HELP - DodgeIntrepid.Net Forums - Dodge Intrepid, Concorde, 300m and Eagle Vision chat
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post #1 of 16 (permalink) Old 02-15-2015, 09:01 PM Thread Starter
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02 Intrepid. I NEED HELP

First time it starts everything is GREAT. Say I drive it to work... 21 miles cruise set @ 70 "usually" everything goes as planned. If the car gets shut off for a few (gas station etc.) it's a VERY hard start, long crank. If that happens cruise functions wont work, the vehicle also begins to cut out at 2400 rpms. Have replaced Cam n Crank sensors pigtails as well with soldered connections. NO ONE not even a very large Midwest Dodge dealer can help as of yet!? Love the car,.... getting discouraged quickly
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post #2 of 16 (permalink) Old 02-15-2015, 09:08 PM
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So how about some background on the car.

How long have you owned it?
Has this been going on since you bought it?
Have you replaced the Cam/Crank Sensors? If so with OEM Dealer items?
The list goes on.
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post #3 of 16 (permalink) Old 02-15-2015, 09:31 PM
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And what engine does it have in it?
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post #4 of 16 (permalink) Old 02-15-2015, 09:42 PM Thread Starter
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i have owned it for a lil over a year. issue just developed about 5 months ago!? didn't do it at first. replaced with OEM also the pigtails and they are soldered. previous one owner no issues infact had all maintenance receipts It's been to Stew Hansens and a few other smaller shops with not even a glimpse of hope.
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post #5 of 16 (permalink) Old 02-15-2015, 09:43 PM Thread Starter
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sorry.... 02 ES 3.5
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post #6 of 16 (permalink) Old 02-15-2015, 10:02 PM
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Losing the +5VDC Sensor voltage?
Poor connection between Sensor and PCM?
How many miles? Has the Timing belt been changed?
Timing Belt Tensioner crapping out/Timing belt skipped a tooth or so?
How does it run when it does run? Performance OK?
Possibly another sensor pulling down the +5VDC randomly?
AC Pressure Transducer crapping out randomly and bringing +5VDC supply down?
A no start sensor problem is usually related to the Crank Sensor.
When you do get the restart and it won't go over 2500 rpm that's usually a Cam Sensor/wiring related problem.
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post #7 of 16 (permalink) Old 02-15-2015, 10:03 PM
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When checking fuel pressure as I had mentioned in the other thread, I would specifically look at the fuel pressure as it is cranking and the only reading I would see as an accurate reading would be on an attempt to start in which the car has an excessively long cranking time (might take multiple attempts before that condition occurs)
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post #8 of 16 (permalink) Old 02-15-2015, 10:17 PM Thread Starter
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car has 150k, have no knowledge of a timing belt change, Performance when running right is excellent!!! love the performance, ride and handling. the issue does only arise after running, vehicle up to temp. i have had it happen while driving,.... cruise was on, shut off on its own then began to cut out upon my acceleration. The Dodge dealership did give me the ok on the sensor connections etc. But as it is intermittent nobody has been able to give up a definitive answer. thank you so much for your time with this sir! I dont know where to turn next really
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post #9 of 16 (permalink) Old 02-15-2015, 10:19 PM
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So what actual codes did you have? By numbers...not description.
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post #10 of 16 (permalink) Old 02-15-2015, 10:39 PM Thread Starter
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codes 344 340 and then one for the charcoal canister.
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post #11 of 16 (permalink) Old 02-15-2015, 10:47 PM
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Symptom:
P0340-CAMSHAFT POSITION SENSOR CIRCUIT

When Monitored and Set Condition:
P0340-CAMSHAFT POSITION SENSOR CIRCUIT

When Monitored: Engine cranking/running. Battery voltage greater than 10 volts.
Set Condition: At least 5 seconds or 2.5 engine revolutions have elapsed with crankshaft
position sensor signals present but no camshaft position sensor signal. One Trip Fault.

POSSIBLE CAUSES
INTERMITTENT CRANKSHAFT POSITION SENSOR SIGNAL
INTERMITTENT CAMSHAFT POSITION SENSOR SIGNAL
(K6) 5 VOLT SUPPLY CIRCUIT SHORTED TO GROUND
(K6) 5 VOLT SUPPLY CIRCUIT OPEN
(K6) 5 VOLT SUPPLY CIRCUIT SHORTED TO VOLTAGE
(K44) CMP SIGNAL CIRCUIT SHORTED GROUND
(K44) CMP SIGNAL CIRCUIT OPEN
(K44) CMP SIGNAL CIRCUIT SHORTED TO VOLTAGE
(K44) CMP SIGNAL SHORTED TO (K6) 5 VOLT SUPPLY CIRCUIT
(K4) SENSOR GROUND CIRCUIT OPEN
PCM - (K6) 5 VOLT SUPPLY
PCM - (K44) CMP SIGNAL
CAMSHAFT POSITION SENSOR
TEST ACTION

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post #12 of 16 (permalink) Old 02-15-2015, 10:48 PM
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Symptom:
P0344-CAMSHAFT POSITION SENSOR INTERMITTENT

When Monitored and Set Condition:
P0344-CAMSHAFT POSITION SENSOR INTERMITTENT

When Monitored: Engine running or Cranking.
Set Condition: When the failure counter reaches 20. One Trip Fault.

POSSIBLE CAUSES
GOOD TRIP EQUAL TO ZERO
WIRING HARNESS INSPECTION
(K6) 5 VOLT SUPPLY CIRCUIT OPEN OR SHORTED TO GROUND
TONE WHEEL/PULSE RING INSPECTION
CHECKING CKP SIGNAL WITH THE DRBIIIt LAB
CAMSHAFT POSITION SENSOR
(K44) CMP SIGNAL CIRCUIT OPEN
(K44) CMP SIGNAL CIRCUIT SHORT TO GROUND
(K44) CMP SIGNAL CIRCUIT SHORTED TO B+
(K44) CMP SIGNAL CIRCUIT SHORT TO (K6) 5 VOLTS
PCM
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post #13 of 16 (permalink) Old 02-15-2015, 11:11 PM Thread Starter
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PERFECT!!!..... I was doing some reading before on another forum, and I came across the info about the Pulse ring and the Tone wheel and was intrigued by the symptom similarities! but then inadvertently lost the information. This is what sounded to me.... like it was causing the same issues that I am experiencing. Thank you so much again for your time and help! will be trying this tomorrow! i shall return to elaborate on the outcome. Have been steadily trying to find an answer for months!!! this seems to be the most logical in accordance to my issues
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post #14 of 16 (permalink) Old 02-16-2015, 12:55 AM
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I would highly doubt that the tone wheel would be an issue, but I have seen more than one 3.5L run with a bad tensioner, but not jumping time. I would guess that there is either a bad tensioner or an electrical issue in terms of the cam sensor code. If a person had a good, shop grade diagnostic scanner with an oscilloscope function they could back probe the cam sensor and be able to observe the pattern while the rpm issue is present. No signal would be an electrical issue and a square wave signal (although either out of time or not consistent) would be the result of a bad tensioner.

Considering you are past due for a waterpump/timing belt replacement, I think I would dig in and inspect the tensioner.
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post #15 of 16 (permalink) Old 02-16-2015, 01:10 AM
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I'm thinking the P0340/P0344 are due to something going on with the Timing belt and/or wiring. Like you said in his thread the CMP could be getting out of phase with the CKP because of the belt tension changing. That's why he's got both 340/344.
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