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Surging at 4,000 and check engine light is on all the time and does not flash on or off

Tiny
FLORAWAMBLE60
  • MEMBER
  • 2001 CHRYSLER PT CRUISER
  • 2.4L
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 145,000 MILES
Started by check engine light coming in and would not go off. Ran my obd 11 scanner said it was the crank shaft and cam shaft sensor. Changed both and same thing; surging will not turn over 4,000 rpm's. Then a mechanic said check to see if the wires fell on the trans axle sure enough it rubbed 3 holes in the wires.I pulled them back and fixed all the bad wires that ran to. The alternator and whatever the little wires was. Still same thing surging at 4,000 and check engine light is on all the time and does not flash on or off. Please help me.
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Tuesday, November 5th, 2019 AT 1:17 PM

9 Replies

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Good afternoon,

Can we start with the codes? Let me know the codes so I can get you information.

Roy
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Tuesday, November 5th, 2019 AT 1:35 PM
Tiny
FLORAWAMBLE60
  • MEMBER
  • 5 POSTS
To start with it was codes P1193, P1391 and today it said on my scanner electronic control unit external malfunction. Thanks please help me.
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Tuesday, November 5th, 2019 AT 6:34 PM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Good morning,

The 2 codes' possibilities are below.

The one is for the intake air temperature sensor. That is on the intake hose from the air filter to the throttle body.

The other code is for the signal dropping out from the crank sensor. Check the connector and be sure you have 8 volts on the highlighted wire in the diagram I attached.

Roy
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Wednesday, November 6th, 2019 AT 1:48 AM
Tiny
FLORAWAMBLE60
  • MEMBER
  • 5 POSTS
Okay, will check thanks let you know. Really appreciate it.
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Wednesday, November 6th, 2019 AT 4:11 AM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
You are welcome.

Always glad to help.
Roy
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Wednesday, November 6th, 2019 AT 5:56 AM
Tiny
FLORAWAMBLE60
  • MEMBER
  • 5 POSTS
Do you think the wires that ran to the alternator and crank shaft sensor could have shorted out my computer? They were all raw and riding on the medal part of the trans axle. I checked the wires on the camshaft it's a hair over 8 volts. I have to crawl back under the car and take the wires off the crankshaft sensor. It's band new. Also the cam shaft sensor, the new radiator fan, has also quit coming on when it gets warm. I changed that sensor. Also need your thoughts. Thanks
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Thursday, November 7th, 2019 AT 5:45 AM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
No, it will not as long as the wire for the alternator did not short to any of the sensor wires.

Check the cam sensor harness as well. Peel back the harness about 10 inches and make sure it is still good.

Roy
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Saturday, November 9th, 2019 AT 12:35 PM
Tiny
FLORAWAMBLE60
  • MEMBER
  • 5 POSTS
Okay, thanks you so much. I will check that tomorrow. Really appreciate your professional
knowledge.
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Saturday, November 9th, 2019 AT 1:33 PM
Tiny
ASEMASTER6371
  • MECHANIC
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Glad to help

Roy
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Saturday, November 9th, 2019 AT 2:03 PM

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