Question about 1998 Pontiac Grand Prix

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98 grand prix gt 3.8L code reading P1676, P0135, P1665

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Posted on Jan 02, 2017

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drsinister69
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SOURCE: 1999 grand prix gt 3.8v 6 error codes 300 and 302

The PO300 code is random/multiple cylinder misfire detected. Sinsc you have the code PO302, that means that cylinder 2 is the one misfiring, usually a bad coil pack, or spark plug.

Posted on May 12, 2010

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SOURCE: What does the P1676 code

i don't know about your reader? but a P1676 is a evap vent solenoid control circuit problem. the solenoid could be stuck or the wires/connections could be corroded, open or shorted

Posted on Sep 29, 2010

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What is TSB 71-65-66 and how to fix it?


DTC 1676 [Archive] - FirebirdV6.com/CamaroV6.com Message Board

forum.camarov6.com > ... > Technical > Advanced Engine

Mar 6, 2003 - 9 posts - ‎4 authors
71-65-66 NOV 97 Engine Controls - EVAP DTC's P1665 & P1676 Added " that is from alldata as a TSB i dont know what "EVAP" is though.

Find Technical Service Bulletins for your 1998 Buick ...

tsb.govwebs.com/k-vin-v638l-lesabre-buick-1998-10199.html
Free Technical Service Bulletin and Recall Titles for 1998 Buick LeSabre V6-3.8L VIN K ..... 71-65-66, NOVEMBER 1997, Engine Controls - EVAP DTC`s P1665 ...

Trouble Code - AutoZone

www.autozone.com/.../Buick.../_/P-0996b43f8036fc4e

AutoZone... power circuit is open (check ENG EMISS fuse). Purge solenoid is damaged, or the PCM has failed. TSB 71-65-66 contains a repair procedure for this code ..

Nov 24, 2015 | 1998 Buick Century

1 Answer

My 1998 pontiac grand prix gt has A code po1676


DTC P1676 Evaporative Emission (EVAP) Purge Solenoid Control Circuit
DTC P1676 set indicates an improper voltage level has been detected on the output circuit which controls the EVAP purge solenoid.
Circuit Description
Output Driver Modules (ODMs) are used by the PCM to turn on many of the current-driven devices that are needed to control various engine and Transaxle functions. Each ODM is capable of controlling up to 7 separate outputs by applying ground to the device which the PCM is commanding ON. Unlike the Quad Driver Modules (QDMs) used in prior model years, ODMs have the capability of diagnosing each output circuit individually.
Diagnostic Aids
Check for the following conditions:
?€¢
Poor connection at the PCM.


Inspect harness connectors for backed out terminals, improper mating, broken locks, improperly formed or damaged terminals, and poor terminal to wire connection.


?€¢
Damaged harness.


?€¢
Inspect the wiring harness for damage. If the harness appears to be OK, disconnect the PCM, turn the ignition ON and observe a voltmeter connected between the EVAP purge solenoid control circuit and ground at the PCM harness connector while moving connectors and wiring harnesses related to the EVAP purge solenoid. A change in voltage will indicate the location of the malfunction.

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May 01, 2015 | Pontiac Grand Prix Cars & Trucks

1 Answer

98 Pontiac Grand Prix load front end roaring?


Defective fan clutch, if it has one. With a cold engine only, try spinning the fan blade by hand. If it does not turn freely, the fan clutch is defective. Warning: When the engine is hot, the fan can turn on by itself with the car not running and keys are NOT in the ignition.

Apr 23, 2014 | 1998 Pontiac Grand Prix GT

1 Answer

WHAT IS CODE P1665 IN A GM CAR


evap vent solenoid at cannister

Sep 21, 2013 | 2002 Pontiac Grand Prix

1 Answer

What does the P1676 code mean, and what is most likely the problem? My code reader says Driver 4 Line 6 but that means nothing to me. I have a 98 grand prix GT with the 3800 V6.


i don't know about your reader? but a P1676 is a evap vent solenoid control circuit problem. the solenoid could be stuck or the wires/connections could be corroded, open or shorted

Sep 29, 2010 | Pontiac Grand Prix Cars & Trucks

1 Answer

1999 grand prix gt 3.8v 6 error codes 300 and 302


The PO300 code is random/multiple cylinder misfire detected. Sinsc you have the code PO302, that means that cylinder 2 is the one misfiring, usually a bad coil pack, or spark plug.

May 12, 2010 | 1999 Pontiac Grand Prix

1 Answer

How do i remove the stock intake box from my grand prix gt


Look for attachment bolts inside the air box under the filter at the bottom. ducts usually pull right out, just watch that you don't break or damage wiring etc.

Oct 19, 2009 | 1998 Pontiac Grand Prix

1 Answer

Where Is The Camshaft Position Sensor Located On 98 Pontiac Grand Prix Gt?


Front of engine above crankshaft pulley. If you need a picture of it send me your email address and I will send you a picture.

Sep 09, 2009 | 1998 Pontiac Grand Prix

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