I have a 1998 Buick Skylark with a 3.1 litre engine. At approximately 115K
miles I took it to a local mechanic & had a complete
tuneup IE: plugs, wires, hoses & serpentine belt. After having the tuneup
I drove about 400 miles & the check engine light came on with Code P0420

What are the differences between a 305, 307 and 350? Are the blocks the
same? Heads? What parts interchange? Intake manifold? Distributor? Thanks.
       Cory

GM management has major issues from the CEO on down, not only that they be
dissin' their customers for years buy selling faulty 3.1, 3.4 and 3.8 v6's
that eventually have premature failing intake gaskets causing $800 plus in
repairs. I was considering looking a the G6, not the sedan ...

Any ideas on removing Fly specs from paint ??  I bought a car thats
set outside for a few months, the paint washed up nice except for the
fly specs ( thousands of them ) I've wash it several times with Hot
Water straight from the water heater with plenty of soap, but they

I own a 89 Bonni and a 94 GMC safari.
The exhaust from the Bonni smells clean when you stand beside it ie
normal.
When I stand beside my v6 w engine Safari it smells like my old 63

I had a battery connection problem on my 98 Olds Intrigue, and I replaced the battery.  Since then, the
driver's side vents are not blowing cold air.  The passenger side is still cold.   I can watch the shaft on the
temperature door actuator as I request cold then hot air-- on the ...

Hi - my venture has 105,000 miles on it - yesterday the check engine
light came on - I checked the gas cap and tightened it - the van had
about a quarter tank of gas in it when the light came on - I stopped
and filled the tank up and the light went off - It was fairly warm

Just replaced my oil pressure sending switch as it was leaking oil
out the electrical connector.  It had been leaking slowly
for a while,  but suddenly go to the point where there was a noticeable
drip while the engine was running.

Last week I installed a new Goodyear Gator belt on my 98 GMC Jimmy. I did
this not only because it was looking like a new one was needed but I wanted
get any repairs out of the way before I had rotator cuff surgey. I replaced
it the day before surgery and it started to make belt ...

'99 Chev Malibu, 3.1 v6, 4T40-E four speed auto tranny, 173,000 km
(108,000 miles).
About once every month or two, when shifting from reverse to drive,
there is a delay of a few seconds before forward 'engages'.  This been

During oil change # 2, I spotted a decal on the bottom ot the AC
Compressor, " Made In France".
     Harryface    
05 Park Avenue, 20,000 mi.

'91 lumina with 61k miles. All of a sudden the fuel gage won't work. Possible
fuel sending unit? Thanks.

I picked up a 1985 GMC C1500  305 engine 77xxx miles on it.   It has a bit
of a starting problem.  If the truck sits more than 10 hours it takes a
while to start.  The longer it sits the longer it takes to start.  It start
cranks the engine fine.  When it does start it runs great.  ...

We just bought a 1997 dodge sport half tone,under warranty,well the light
has come on,so we took it back were we bought it and they said there was
nothing wrong they could find,they said it wqill just stay on,so here is
my way of thinking if this light is on there is a problem,so is ...

I could use a 1992 Buick Road master Factory repair manual, I believe
it contains the Estate Wagon.  I would like to reprogram the door
locks and  I am told the factory manual has the info in it.  The local
Buick dealer will do it for me at a cost but I believe I could use the