Tag Archives: Module

Find answers to car repair questions related to all different modules and computers. Expert auto mechanics give free help and information.


My Dodge Is Knocking – Intrepid Transmission Problem – Neon Smokes

Dodge Engine Knocking Live Chat: I need help on a 318 that started knocking, then I shut it. Off then pulled the plugs added some Marlves let it sit for a few days and now cant get it to turn. What should I try? Answer: Seems like you’ve had an internal engine failure. During the time it was knocking and then after shutting it off…

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Chevy Blazer Heater, Gauges and 4WD Drive Problems

Chevy Blazer. My heater won’t work but nothing’s leaking can u please help me. Answer: With the heat not working, I’ll have to assume you mean it just blows cold air instead of not blowing at all. If you have no heat, you probably have a restriction somewhere in the system, or a cooling system component not functioning properly. Corrosion and old coolant can clog…

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2004 Pontiac Grand Prix Catalytic Converter I/M Flag Not Ready

2004 Pontiac Grand Prix with a “2” motor will not go “Ready” with the catalytic converter test for I/M testing. I went in the service manual and did the testing for P0420 where you run the car for 1 minute in park then put in in drive while observing air/fuel mixture. The readings change from 14.7/1 to 12.3/1 then changes to 16.9 /1 as the…

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Chevy Impala Lights Clicking And Flashing After Battery Replaced

2002 CHEVROLET IMPALA -BATTERY WENT DEAD, REPLACED IT. NEXT DAY DOOR LOCKS LOCKING AND UNLOCKING ON THEIR OWN AND FUSE BOX CLICKING. I TESTED THE BATTERY AND ALTERNATOR AND BOTH ARE GOOD. DISCONNECTED BOTH CABLES FROM BATTERY, CLEANED REAL WELL HELD THEM TOGETHER 10/15 SECONDS. I WAS TOLD BY A LOCAL SHOP DOING THIS WOULD CLEAR AND RESET ELECTRICAL AS NEEDED. I HOOKED BATTERY BACK…

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2005 Mazda 3 Alarm Sounds By Itself At Night

I own an 2005 Mazda 3. The other night the alarm sounded for no apparent reason. I have had the car for 4 months and this has not happened before. In speaking to the previous owner was told this has happened before with no explanation able to be given. A thread i read stated that a weak battery could be a possible culprit. What are…

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How To Test 2005 Chevrolet Tahoe Dead Battery Draw

I have a Chevy Tahoe 2005 4×2 and something keeps pulling battery down. I was told to hook a test light to negative side of and did it and pull all fuses one at a time and light stays on. Need help. ProTech: You were told the completely wrong way to check for a draw on the battery. Using a test light is a very poor…

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2006 Chevrolet Cobalt Power Steering Going Bad After Recall

I have a 2006 Chevy Cobalt and the electric power steering is going out again. I had it replaced a couple of years ago but now it’s now working again. It seems very odd to me that it would go out again so quickly, what can i do? Mechanic JK: Was the first repair done under any factory warranty or did you have to pay…

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Ford F-150 Check Engine Light Codes- Dead Battery

Question: I have a 1999 Ford F150 V6 it give a check engine code saying a misfire on cylinder 6 but it doesn’t do it all the time. When the computer code is cleared it runs great for weeks but then starts to run rough and says it is running lean again. Answer: I’d try and find what’s causing the misfire such as a bad…

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Some Blower Motor Fan Speeds Not Working

This one has been a big issue over the years. Many, many times a car or truck will come into the shop with the customer complaining that their blower motor doesn’t work, or only works on high speed, etc. This is usually the case after a blower resistor failure on one or more speed settings. What is happening to them you ask? Well, the resistor…

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1994 Pontiac Transport Van Starts Then Stalls

I have a 1994 Pontiac Transport van it cranks up then dies right away there is a little light that comes on when it dies bottom right corner of the dash it is round with an arrow pointing down what is that symbol mean and could this be my problem please help. ProTech: That could be the low coolant light, and probably not the cause…

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1995 Chevrolet Camaro Has No Spark at Plugs

I have a 1995 Camaro 3.4 litre, will not start and has no spark….ran 2minutes this morning and just shut off. Still would not start after 2 hours. Getting gas. Coil packs and camshaft positioning sensor has been replaced and still no fire. ProTech: So it is getting fuel, but still does not have any spark, correct? Yes Do you by chance have a scanner?…

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Buick Stalls – Changed IAC and MAF Sensors

1998 3800 stalls when you let up on the accelerator. I changed the IAC valve, still does it.Do I need to drive it for a while for the computer to reset.If not, maybe the MAF??? ProTech: Is the check engine light on? Check engine light has come on a few times in the past week , but then goes back off. It has NOT come…

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Bad Fuel Pumps Cause Vehicle To Not Start

Lately, we’ve have quite a few vehicles come through the shop with fuel pumps that have failed. This seems to go in cycles, where we see a lot of one particular thing coming in all the time and this time of year seems to be fuel pump problems. The colder weather can have a lot to do with these failing, but other than that, it’s…

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1997 Chevy S-10 Keeps Blowing Ignition Fuse

Have a 1997 Chevy s10 p/u that keeps blowing #10 fuse. Key in on position its OK, but as soon as turn key to start it blows fuse ProTech: Do you know what circuits are on the fuse? Says its the fuse for the ignition #10 fuse Do you have any aftermarket equipment on the truck? Like an alarm, or remote start, or anything else…

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