Question about 1998 Chevrolet C1500

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I have a 98 4.3 v6 when i first start it in the morning it gallops and serges, then in awhile it straitens up some. still serges while driving it some, when its first started the exaust is very rich. it starts good. engine light is on.

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Scan it to save money from guessing .but is sound like vacuum leak or fuel pump problems.

Posted on May 11, 2009

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You may have a dirty mass airflow sensor.
Hook up an OBDII reader and check the code.
Sam

Posted on May 11, 2009

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1 Answer

Have a 98 honda accord it goes into lockout sometimes will turn over but not start and will not come out of park but if you let it set for awhile it will start and work fine


I can't remember tha name of it but my friend had same problem. Usual worse on a hot sunny day. It's nick named tha shade tree sensor. He could drive to work on morning but got off an it wouldn't start to go home. Il ask him what it was called an get back to u if u like. But was same car same problem

Jan 02, 2017 | Honda Cars & Trucks

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I have a 98 lincoln towncar my battery light has


Dead Battery or Starter

You saw that coming or the shop you go to
let you down

Oct 18, 2014 | 1998 Lincoln Town Car

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I have an 98 montero sport ls v6 3.0 auto 4x4. It starts up good and runs great but it won't shift out of 2nd gear! Sometimes it may take a few seconds to kick into 1st gear after I've taken off...


Probably the oil filter is blocked.
Warm it all up with a 30-45 minute drive & then change the oil in the gearbox whilst it's still hot. Make sure you also change or thoroughly clean the gearbox oil filter at the same time.
After that you're looking at the tension bands & the dog-clutches, which are a specialist mechanics job.

Mar 06, 2018 | 1998 Mitsubishi Montero Sport

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I have a 98 blazer that in the morning blows ice cold air. After driving for awhile it will stop blowing cold and if you turn it off wait and turn ot back on it sometimes blows cold again. ANy ideas


I would replace the low pressure AC compressor cycling switch, it may be sticking, it is a fairly common problem. The switch is located in the low side of the AC system hoses or accumulator.

Jul 22, 2011 | 1994 Chevrolet S-10 Blazer

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Idle surges when it warms up.


sounds like an engine management fault it will need to go on a computer

Jul 11, 2009 | 1993 Toyota Camry V6

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Exhaust smell


What does it smell like? If it smells like rotten eggs that is a tell-tale sign that your catalytic convertor is bad.

Sep 10, 2008 | 1998 Toyota Camry

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