Pontiac Bonneville

97 pontiac bonneville oil pressure when warmed up?

I have a Pontiac Bonneville 97. when I start the engine pressure End util oil is heated and then the needle drops. It doesn't go all the way into the red it fluctuates just above idle. Would replacing the PCV valve and put a thicker grade of oil do anygood? Or maybe the oil pressure switch defective? And yes I checked the oil level its been completely FULL!

High mileage cars usually have the engine wear that produces less oil pressure when warmed up. You could have checked the pressure in a store with a manometer good mechanical strength drawn from the oil switch port to ensure it is not a unit or sending the wrong Meter Dash --- they had problems with these units. Could simply be the motor bearings wear or pump. I recommend switching to a grade of oil heavy as 10W-40, 15W-40 or perhaps 40 or 20W-50 --- you might have to play a bit to get good quality oil to pressure and up --- I also recommend that you add a product to change oil every 3,000 miles engine oil supplement called EOS or which can be found to most GM dealers parts dept's --- it's a much better product than most oil additives and has been developed by GM engineers for superior lubrication. Remember that adding thicker oil will make your gas mileage to decline a little and can be very hard to start engine in cold weather.

1970 Pontiac Bonneville Model Car Kit BOX ONLY
1970 Pontiac Bonneville Model Car Kit BOX ONLY
$12.99
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VINTAGE AMT SMP 1958 PONTIAC BONNEVILLE CONVERTIBLE BUILT LOOK
VINTAGE AMT SMP 1958 PONTIAC BONNEVILLE CONVERTIBLE BUILT LOOK
$32.05 (4 Bids)
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AMT 1961 Pontiac Bonneville Convertible 3 in 1 Annual K 611 Nice Built in Box 61
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1960S AMT 1962 PONTIAC BONNEVILLE 2 DOOR ORIGINAL ISSUE MODEL KIT WITH BOX
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$28.99 (5 Bids)
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AMT 1963 Pontiac Bonneville 2dr Hardtop Unbuilt Kit
AMT 1963 Pontiac Bonneville 2dr Hardtop Unbuilt Kit
$70.09 (3 Bids)
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Trumpeter 1 25 02501 1960 Pontiac Bonneville Convertible
Trumpeter 1 25 02501 1960 Pontiac Bonneville Convertible
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CAR MODEL KITS 1970 PONTIAC BONNEVILLE AMBULANCE 1 25 RARE
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$66.25 (9 Bids)
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FREE SHIP 1970 MPC ANNUAL Pontiac Bonneville Convertible UNBUILT MODEL KIT 1070
FREE SHIP 1970 MPC ANNUAL Pontiac Bonneville Convertible UNBUILT MODEL KIT 1070
$175.00 (1 Bid)
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1963 PONTIAC BONNEVILLE Motorized Model Kit with electric motor unbuilt
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1 25 Scale 1964 Pontiac Bonneville AMT Model Kit Vintage Budd Cat Anderson
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$27.66 (4 Bids)
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Vintage AMT 1962 Pontiac Bonneville Convertible Model Kit 125 No Box Unbuilt
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$102.62 (21 Bids)
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1962 PONTIAC BONNEVILLE CONVERTIBLE PARTS  INSTRUCTIONS AMT K 612 VINTAGE
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AMT 1960 Pontiac Bonneville Convertible Built
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mpc 1966 pontiac bonneville hardtop 1 25 kit no 9 200 w original box secret age
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$79.99 (1 Bid)
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AMT 1962 Bonneville 3in1 1 25 model kit unbuilt annual 62 Pontiac Convertible
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Vintage AMT 1962 Pontiac Bonneville Bumpers Hubcaps  more 1 25 Scale Z9
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VINTAGE MPC ANNUAL 1967 PONTIAC BONNEVILLE STOCK BUCKET SEATS HTF
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AMT  1965 PONTIAC BONNEVILLE 1 25
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AMT 1964 Pontiac Bonneville convertible instruction sheet kit 6614
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1 25 Pontiac Bonneville 1965 AMT ERTL Prestige Sealed OOP
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Model Kit 65 Pontiac Bonneville Hardtop
Model Kit 65 Pontiac Bonneville Hardtop
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Rare Vintage 1960 Knudson Desk Award Pontiac Bonneville Model Car Sheaffers Pen
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AMT 65 PONTIAC BONNEVILLE HARDTOP 125 MODEL KIT ORIGINAL BOX
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Model Kit Pontiac Bonneville Motorized
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FREE SHIPPING MPC 1969 PONTIAC BONNEVILLE HARDTOP BLUE w BLACK TOP Promo Model
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FREE SHIPPING ORIGINAL BOX MPC 1970 PONTIAC BONNEVILLE CONVERT ATOLL BLUE Promo
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FREE SHIPPING ORIGINAL BOX MPC 1970 PONTIAC BONNEVILLE CONVT CARDINAL RED Promo
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FREE SHIPPING ORIGINAL BOX MPC 1970 PONTIAC BONNEVILLE CONV SIERRA YELLOW Promo
FREE SHIPPING ORIGINAL BOX MPC 1970 PONTIAC BONNEVILLE CONV SIERRA YELLOW Promo
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FREE SHIPPING MPC 1970 PONTIAC BONNEVILLE CONVERTIBLE TURQUOISE Promo Model
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FREE SHIPPING RARE MPC 1967 PONTIAC SILVER BONNEVILLE Hardtop Promo Model
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FREE SHIPPING ORIGINAL BOX AMT 1962 PONTIAC BAMBOO CREAM Bonneville Conv Promo
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FREE SHIPPING RARE AMT 1962 PONTIAC BURGUNDY Bonneville Hardtop Promo Model
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$395.00
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FREE SHIPPING RARE AMT 1963 PONTIAC NOCTURNE BLUE Bonneville Hardtop Promo Model
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$395.00
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FREE SHIPPING RARE AMT 1965 PONTIAC CAMEO IVORY Bonneville Hardtop Promo Model
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FREE SHIPPING MPC 1966 PONTIAC MISSION BEIGE Bonneville Convertible Promo Model
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FREE SHIP 1970 MPC ANNUAL Pontiac Bonneville Convertible UNBUILT MODEL KIT 1070
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$235.00
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FREE SHIPPING UNBUILT ANNUAL 1963 AMT Pontiac Bonneville Convert 06 613 1 25 KIT
FREE SHIPPING UNBUILT ANNUAL 1963 AMT Pontiac Bonneville Convert 06 613 1 25 KIT
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FREE SHIPPING AMT 1965 Pontiac Bonneville FACTORY SEALED 1 25th SCALE KIT 6503
FREE SHIPPING AMT 1965 Pontiac Bonneville FACTORY SEALED 1 25th SCALE KIT 6503
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FREE SHIPPING RARE ANNUAL1963 AMT Pontiac BONNEVILLE Hardtop MODEL KIT 6623
FREE SHIPPING RARE ANNUAL1963 AMT Pontiac BONNEVILLE Hardtop MODEL KIT 6623
$235.00
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FREE SHIPPING RARE ANNUAL 1964 AMT Pontiac BONNEVILLE Convertible 1 25 KIT 6614
FREE SHIPPING RARE ANNUAL 1964 AMT Pontiac BONNEVILLE Convertible 1 25 KIT 6614
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FREE SHIPPING RARE ANNUAL AMT 1963 Pontiac Bonneville Convertible KIT 06 613
FREE SHIPPING RARE ANNUAL AMT 1963 Pontiac Bonneville Convertible KIT 06 613
$140.00
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MPC 1968 PONTIAC BONNEVILLE HT COMPLETE
MPC 1968 PONTIAC BONNEVILLE HT COMPLETE
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AMT 1962 Pontiac Bonneville Cvt 3 in 1 Box  NOS Parts
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Vintage AMT PONTIAC BONNEVILLE HARDTOP Model Instructions  INSTRUCTIONS ONLY
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FREE SHIPPING RARE AMT 1964 PONTIAC Bonneville Hardtop Desert Beige Promo Model
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FREE SHIPPING 1965 AMT ANNUAL Pontiac Bonneville Hardtop 3 in 1 MODEL KIT 6625
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$195.00
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1960s Vintage AMT 1965 Pontiac Bonneville Model Kit in box unbuilt
1960s Vintage AMT 1965 Pontiac Bonneville Model Kit in box unbuilt
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VINTAGE MPC 1970 PONTIAC BONNEVILLE CONVORIGINSTRUCTION SHEET
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Pontiac 1965 Bonneville Hardtop 125 scale AMT Ertl Kit HOBBY TIME MODEL SHOP
Pontiac 1965 Bonneville Hardtop 125 scale AMT Ertl Kit HOBBY TIME MODEL SHOP
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AMT 1959 PONTIAC BONNEVILLE CONV ANNUAL INSTRUCTIONS ONLY
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MCG2271 1960 Pontiac Bonneville Detail Set for TSM Pho
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Trumpeter 1 25 Scale GM 1960 PONTIAC BONNEVILLE CONVERTIBLE HTF SEALED
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AMT 1 25 1965 Pontiac Bonneville Prestige Plastic Model Kit 6503 AMF014
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ROAD CHAMPS 58 PONTIAC BONNEVILLE SEALED IN BOX
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