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Engine light is on code 440 98 s10 pick up i replace gas cap

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Take your rig to a local Autozone,Advance autoparts, etc.. have them reset your OBC. They'll do it for free. They come out to your car, read the faults w/scanner print out the faults for you and reset it all for FREE

Posted on Jan 02, 2011


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Posted on Jan 02, 2017


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1998 S10, disconnected battery cable on my 2.2L for an hour and Service engine light is still on

On vehicles with OBD2 systems, you have to clear the code with a scanner or code reader like the one AutoZone used to get the code.
Disconnecting the battery only works on OBD 1 systems used before 1995.

Dec 17, 2012 | 1998 Chevrolet S-10 Pickup

1 Answer

What's your problem? check gas cap light is on and i already replaced the cap

Take the vehicle to a qualified repair shop an have the EVAP system smoke tested , this will find the leak . Too many thing's that could cause your problem . You don't want to keep replacing parts do you ? Could be a stuck open purge solenoid , a leak in one of the vapor lines , the part the gas cap screws into, vent valve stuck open . Service engine light on ? have checked for DTC'S - diagnostic trouble codes . You'll probably fine a evap code for a large leak.

Feb 23, 2018 | 2005 Pontiac G6

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My check gas cap light and check engine light is on


Sep 20, 2011 | Mercury Monterey Cars & Trucks

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Ok so my service Engine light came on so I took the truck, a 2003 S10, to Autozone and they hooked the truck up to their tester and diagnosed it as a faulty gas cap. I purchased the cap & was told the...

there isnt usually a faulty gas cap code... there is evap system leak codes which could be caused by a faulty gas cap or filling up your gas tank while the truck running... if that was the problem and the problem is fixed then yes the codes will usually turn off after completing a few drive cycles

Mar 02, 2011 | 2003 Chevrolet S-10

1 Answer

98 chev s10 truck check enigion light on code 440 replace gas cap light is back on

How did you turn the check engine light off or did you when you replaced the cap

Jan 06, 2011 | 1998 Chevrolet S-10 Pickup

3 Answers

Check Engine Light won't go off

If you have an Advance Auto Parts store where ever you are, they will read the code and tell you exactly what to code is and what it means. Any mechanic who "guesses" isn't a mechanic at all - he's a thief. Emissions leak can be any number of things, but not the gas cap!

Aug 21, 2009 | 2003 Dodge Caravan

2 Answers

Engine light has come

Remove the gas cap, clean the surfaces and then replace the gas cap again, firmly twisting it in place. The gas cap either isn't sealing completely or the gas cap needs to be replced.

As an alternative, take your car to Autozone and have them hook up the diagnostic mether to read the problem codes. it' free, and should confirm that the gas cap isn't properly seated, or give you the code for whatever the problem might be. 9 times out of 10 it's the gas cap not being fully seated.

Jul 06, 2009 | 2003 Volkswagen Passat

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Check engine light/gas cap will not stay tight.

Yes, the gas cap will cause the Check Engine Light to come on. Will set code P0441 if I remember correctly. It should be okay to drive it. If you would like to confirm the code, take the truck to an auto parts store like Autozone and have them hook up their scan tool and read the code. If its P0441 it will probably be something like EVAP or Evaporative system leak.

Its an easy enough fix while your there too, just pick up a new gas cap or you could pick up an OEM one from the dealership.

Dec 31, 2008 | 2005 Chevrolet Colorado

5 Answers

Diagnostic code P0456 for 2003 Dodge Ram 1500 5.7

P0456 = EVAP Emissions Control System Leak Very Small

Is the gas cap on tight or is the seal damaged? If it needs replacement, get it from the dealer.

Aug 22, 2008 | 2004 Dodge Ram 1500

2 Answers


The distributor is on the back of the engine (that's the side that the transmission hooks up to). You will need a socket set and a paint marker (you might need a screw driver too). Remove the distributor cap (if the distributor cap is good you can leave the plug wires attached) carefully mark the rotor and the distributor so that you can easily see exactly how the two aligned while attached to the engine. trace an outline around the base of the distributor where it fits into the block so that when you remove the distributor you will be able to clearly see exactly how it sat on the engine. remove the bolts that secure the distributor to the engine. Give the distributor a light twist and pull hard directly away from the engine. Realign the rotor and distributor as they were aligned previously. Make note of relative position of the splines/forks on the back side of the distributor that fit into the engine. align your replacement distributor and rotor so that it matches the old one exactly. mark the correct alignment. Making sure that it is still aligned. insert the new distributor into the engine and lightly hand tighten the screws. Make sure that the screws are just tight enough to hold the distributor in place but loose enough to rotate it with ease. Make sure that the rotor is still properly aligned. make sure that the distributor is sitting against the engine block exactly how the old one was. Double check the rotor alignment and tighten the screws so that the distributor is snug but so that you can still rotate the distributor with some effort. double check the rotor alignment and put the cap back on. start the engine and give it some gas by manipulating the throttle body at the engine compartment. If the engine doesn't sound right, slowly and carefully rotate the distributor until it engine sounds like it should and tighten the bolts so that it can't be rotated any more. close the hood and go for a drive. you can adjust the timing by rotating the distributor if it still doesn't seem quite right. 0 Pts Rate Answer

Jun 14, 2008 | 1996 Chevrolet Caprice

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