Question about 1998 Chevrolet Blazer

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Unable to retriece codes from 1998 chevy blazer

Actron scan tool will not retrieve codes when plugged into dtc. it keeps saying tool myst be plugged into dtc

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  • rodney bartholomew Feb 21, 2012

    had a blown fuse,replaced and code reader worked fine.

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Make sure your fuse is good should be the fuse that the cigg lighter is on

Posted on Oct 11, 2011

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I have run into this before on cheap scan tools for some reason they dont always read the codes. find some one that has a OTC or snap-on . there is a reason these tools cost 3-4 thousand dollars.

Posted on Sep 11, 2008

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Get codes for my 1997 blazor


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Nov 20, 2014 | 1997 Chevrolet Blazer

1 Answer

P0453 evap emission control system pressure PRVS sensor high


i would make sure that all the connections at the fuel tank pressure sensor are good also check for bent lines that may be restricting fuel , even the return line and vapor return line.
these trucks do have a lot of wiring problems for the fuel tank pump. check the ground for the pump, it goes to frame. if you need to add another ground wire and splice it in.

If the truck was running good before the tank drop then double check everything . also you may have a bad sensor. with your scan tool you could , if the scan tool can. test sensor by add air to tank,make sure to clip the vent line and check readings when adding air to tank and then release the air and watch the readings if they do not go up and down then replace the sensor.

Mar 03, 2013 | 1998 Chevrolet Blazer

1 Answer

I have a 04 Ford Freestar that will mis between 45 and 55 mph with no check engine light. has anyone had this problem


I found this!!
B1342 ECU is Faulted PCM INSTALL a new PCM. B1342 ECU is Faulted ABS Module CLEAR the DTCs. REPEAT the self-test. If DTC B1342 is retrieved again, INSTALL a new ABS module. CLEAR the DTCs. REPEAT the self-test. B1342 ECU is Faulted Instrument Cluster CLEAR the DTCs. REPEAT the self-test. If DTC B1342 is retrieved again, INSTALL a new instrument cluster. CLEAR the DTCs. REPEAT the self-test. B1342 ECU is Faulted EATC Module CLEAR the DTCs. REPEAT the self-test. If DTC B1342 is retrieved again, INSTALL a new EATC module. CLEAR the DTCs. REPEAT the self-test. B1342 ECU is Faulted RCM CLEAR the DTCs. REPEAT the self-test. If DTC B1342 is retrieved again, INSTALL a new RCM.REPEAT the self-test. B1342 ECU is Faulted DSM CLEAR the DTCs. REPEAT the self-test. If DTC B1342 is retrieved again, INSTALL a new DSM. CLEAR the DTCs. REPEAT the self-test. B1342 ECU is Faulted Parking Aid Module CLEAR the DTCs. REPEAT the self-test. If DTC B1342 is retrieved again, INSTALL a new parking aid module. CLEAR the DTCs. REPEAT the self-test.

Dec 28, 2011 | 2004 Ford Freestar

1 Answer

What is code 1345 for a 2002 Chevy blazer?


The most likely cause if you have replaced the cam position sensor is the distributor is out of time. You MUST use a scan tool with a data stream capability to properly set the timing on this engine. Access the data stream and find the cam ****** offset reading. It should be 0 plus or minus 2 at 1500 RPM. If not within spec, then the distributor is out of time. loosen the hold down bolt and rotate the distributor until the reading comes into spec.

NOTE: the value will not change on the scan tool until the engine is reved above 1500 RPM so make an adjustment and rev the engine. This is the only way to accurately set the timing on these engines.

This DTC determines if the distributor is installed incorrectly, or if there is a mechanical malfunction in the engine.

Conditions For Setting The DTC:
When the engine is running, the cam sensor reference pulse is not detected at the correct relative position to the crankshaft position sensor pulse.

Action Taken When The DTC Sets:
The Vehicle Control Module (VCM) turns on the Malfunction Indicator Lamp (MIL) .

Conditions For Clearing The MIL/DTC:
The VCM turns the MIL off after 3 consecutive driving trips without a fault condition present. A history DTC will clear if no fault conditions have been detected for 40 warm-up cycles (coolant temperature has risen 40°F from the start-up coolant temperature and the engine coolant temperature exceeds 160°F during that same ignition cycle) or the scan tool clearing feature has been used. (click image for zoom)

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Hope this helps to solve it.

Jul 20, 2011 | 2002 Chevrolet Blazer

1 Answer

I have a 2003 Chevy ZR2 Blazer and when i get over about 40 miles per hour the service engine soon light starts flashing what could that mean


There is to many things that can cause that issue from engine to transmission. If there is an Auto Zone around your area, have them scan your Blazer for the DTC codes.
They scan free of charge and can give you the recommendation to what issues needs to me addressed. Keep me posted with your DTC codes, be glad to help you get your Blazer running 100% again soon.
Thank you for using fixya and be safe

Jun 02, 2010 | 2003 Chevrolet Blazer

2 Answers

My 1998 chevy blazer shakes alot and the check engine light is on what could it be i already did a tune-up


I would have the code/s retrieved from the computer, Auto Zone or Advanced Auto will do it for free. You may have a clogged fuel filter or a vacuum line leaking.

May 18, 2010 | 1998 Chevrolet Blazer

3 Answers

2001 chevy S-10 pickup six cylinder unable to remove one plug.


either take the steering shaft off of the either the steering box or from the top.

i have a 99 blazer and i had the same problem, i put the socket on the plug and a stubby open end wrench and slowly pulled it out.

Aug 14, 2009 | 1998 Chevrolet S-10 Pickup

3 Answers

I need to know how to manually retrieve dtc codes without a scanner.What are the steps of this procedure.I have a 1995 chevy cavalier 2.2 l with a check engine light on.The pin terminal has 16 pins.


This info is from the tech manual.....because you have a 16-pin DTC connector, you have the OBD II system in your car. This is cut and pasted info from the tech manual:

Fig. 2: A Tech 1® , or equivalent scan tool must be used to retrieve codes from 1996–00 models with the 16-pin DLC connector


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If you look on your doorjamb and read the sticker, it will tell you the year of your car...and if it was manufactured AFTER a certain month, then you have the 96 model...and from what you are saying, you have a 96 model because it has the 16-pin connector and not the 12-pin connector that the 95 and earlier had.

Reading Codes OBD-I SYSTEMS
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Jul 27, 2009 | Chevrolet Cavalier Cars & Trucks

2 Answers

I have a 1995 olds 88 that is pre OBD2 but it has the OBD2 connector. It will not allow me to retrive codes???


The 1995 Olds 88 has an obd 2 plug, but is an obd 1 system. Some people call it obd 1.5
There is no option to jump 2 contacts to flash the codes on the check engine light in these cars.
You will either need a compatible scan tool, or a cable to hook to a laptop and the software to pull the codes. (check out www.aldlcable.com)
One such scan tool is the Actron CP9185. It has the extra data pin for the 8192 baud communication with the computer in these cars. (pin 9 on the OBD 2 connector)

Jun 28, 2009 | 1995 Oldsmobile 88

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