Question about 2001 Chevrolet Monte Carlo

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P1351 keep getting the same p1351 replaced icm one coil checked wiring still the same

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  • Chevrolet Master
  • 808 Answers

Check the icm ground this was a problem most have added a extra ground cable from icm to engine block.

Posted on Apr 20, 2014

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Posted on Jan 02, 2017

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SOURCE: 1196 chey blazer

overheating could be caused by a stuck thermostat or a clogged radiator not firing on #1 plug could be a fouled plug or bad wire or it may be grounding on the block and your coiil may not have been put in at the right mark

Posted on Aug 09, 2008

  • 147 Answers

SOURCE: 02 cavalier with no spark on cyl 2 and 3

did u replace the wires? You might have power but a bad connection to the spark plugs or just bad spark plugs. just a thought

Posted on Aug 18, 2009

  • 1915 Answers

SOURCE: 97 K1500 5.7 liter Engine

need to get back to basics, first check engine compression-you say that it's high mileage, so I'd start there-If you have uniform compression across the board, move on to fuel pressure at the top rail-if that is good, with spark it has to run, but make sure your distributor is properly installed (not out 180 degrees).

Posted on May 29, 2011

  • 1016 Answers

SOURCE: I have a 95 camaro 3.4L that wont start, i

Hi Deon,
Have you had a Tech 1 diagnostic tool check?You need to have this done to check for any fault codes..
If you can have this done and give me the codes I can then help you out more in depth to finding the problem.

Posted on Aug 11, 2011

  • 14036 Answers

SOURCE: no spark after i replaced coils, ICM, spark plugs,


Posted on Aug 11, 2011

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Where is fuel pump harness on a 2000 escalade

DTC P1351 Ignition Coil Control Circuit High Voltage
The enhanced ignition system uses the crankshaft position (CKP) sensor in order to provide a timing input to the control module. Ignition control (IC) spark timing for each cylinder is based on this input. The control module provides the ignition timing signal to the ignition control module (ICM) to control the ignition coil. Each timing pulse detected by the ICM allows it to energize the ignition coil. A large secondary ignition voltage is induced in the secondary coil by the primary coil. This high voltage is switched to the correct spark plug by the distributor.
This diagnostic trouble code (DTC) will set if the VCM- (vehicle control module ) detects an unusually high voltage on the ignition timing signal circuit.
Diagnostic Aids
Intermittent test -- If the connections and the harness check OK, monitor a digital voltmeter connected between VCM terminal C3 pin 9 and C4 pin 18 while moving related connectors and wiring harness. If the failure is induced, the voltage reading will change. This may help to isolate the location of the malfunction.
An intermittent may be caused by any of the following conditions:
A poor connection

Rubbed through wire insulation

A broken wire inside the insulation
Thoroughly check any circuitry that is suspected of causing the intermittent complaint. Refer to Testing for Intermittent Conditions and Poor Connections in Wiring Systems.
If a repair is necessary, refer to Wiring Repairs or Connector Repairs in Wiring Systems.
Check out this guy's video on GM fuel pump electrical circuit diagnosis !

GM Fuel Pump Relay Testing

Apr 21, 2016 | Cars & Trucks

1 Answer

I have a 1999 chevy silverado giving me error code p1351. I have replaced the ignition control module 3 times now and it keeps going bad again within 2 months. What could be causeing my problem?

Four digit codes are brand specific, in your case code 1351 means the computer is finding high voltage in the control circuit for the coil which does go to the ICM. The ICM grounds the coil like a set of points once did.
My guess would be a faulty coil or a ground connection somewhere. The coil may be grounding thru the ICM instead of thru the block. Or the ICM ground is not strong enough to carry the current from the coil.

Jul 16, 2013 | Cars & Trucks

1 Answer

1993 f150 no power to icm. Shut truck off to get fuel will not restart

The coil and the ICM both get power from a 30amp fuse which is powered from the key switch. Have you checked that circuit ? The wires are red and lite green.

Jun 02, 2013 | Cars & Trucks

1 Answer

What is code P1351

Dec 30, 2011 | 2003 GMC Yukon Denali

1 Answer

97 K1500 5.7 liter Engine quit running. I checked timing, spark & fuel. All good but high mileage made me think wear on timing chain. I replaced timing gears, chain & distributor drive gear. I put...

need to get back to basics, first check engine compression-you say that it's high mileage, so I'd start there-If you have uniform compression across the board, move on to fuel pressure at the top rail-if that is good, with spark it has to run, but make sure your distributor is properly installed (not out 180 degrees).

May 29, 2011 | 1997 Chevrolet K1500

1 Answer

99 blazer with 160,000 miles engine died while running on the freeway. Engine cranks, but will not start. Fuel pump was replaced @ 100,000 and I can hear it working. Is it typical for the coil to go...

No the coil wouldn't be the first place i would look This could olny be coused be total fuel shut down or total electrical failure at ignition.Check fuse #10 infuse box its the ecm ignitionpower main fuse this is cirrcut 439its a pink wire that runs to the the icm ignition cortrol module witch is bolted to the coil and has terminals A D B and C the coil has C A B With a mulitmeter check across on an ohms scale and the ignition on engne not running check A and B on the ICM you should have a connection them check between B and C you should have a connection if you do them check between D on the ICM and the coil main output wire on the you should have a connection with some restance if not try B on the coil and the main coil output wire you should have a connection with some restance If you have no connection on the ICM between A B or A C or B C then the ICM is bad if you have no connection between D on the ICM and B on the coil terminal or the coil main wire then the coil is bad I hope this didn't get to confuseing but if you follow it slowly you can diagnoss this

Jan 07, 2011 | 1999 Chevrolet Blazer

1 Answer

2000 Silverado-4.3 ltre-cranks over-wont start-consistenly puts out P1351 code-crank senser,cam senser, ignition control module, spark plugs and distributor have been replaced. Wiring from PCM to crank...

Yes. First, in the fuse block under the hood check INJ A fuse and INJ B fuse. INJ A fuse is circuit 1039 which feeds the coil. If the fuse is OK, replace the coil electrical connector. I stock 2 of these at my dealership because they are needed quite often.
FYI P1351 is an ignition coil control circuit DTC.

Aug 30, 2009 | Chevrolet Silverado 1500 Cars & Trucks

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