Losing all power

Discuss your 2000-2005 Bonneville SE, SLE, SSEi, Buick Le Sabre 00-05 and Buick Park Avenue 97-05. Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.
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1997SEgreenmonster
SSE Member
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Posts: 102
Joined: Wed Jan 23, 2013 2:41 pm
Year and Trim: 2003 BONNEVILLE SE
Location: HUNTINGTON WV

Losing all power

Post by 1997SEgreenmonster »

Im losing all power when i hit big bump on the road. I put the car in neutral turn and all the power comes back on sometimes i have to start the car back up. Ive checked the battery cable they are all tight. What could cause this its not safe when im on the highway and it does this
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nos4blood70
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Posts: 9522
Joined: Mon May 10, 2010 6:11 pm
Year and Trim: 2003 SLE
Location: Chicago, IL

Re: Losing all power

Post by nos4blood70 »

Crank sensor. Plugged cat. Come to mind.
-Car Guy Carl
"Penelope" - 2003 SLE - 250k Miles
"Sydney" - 2000 Honda S2000 - 101k miles
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MrPOPE
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Posts: 87
Joined: Sat Apr 19, 2014 8:02 am
Year and Trim: 2004 Bonneville SE

Re: Losing all power

Post by MrPOPE »

do the MAF sensor tap test. start the car and lightly tap on the MAF sensor with a screwdriver If the cars RPM shifts or runs rough/cuts off when u tap the sensor.... there is your problem
1997SEgreenmonster
SSE Member
SSE Member
Posts: 102
Joined: Wed Jan 23, 2013 2:41 pm
Year and Trim: 2003 BONNEVILLE SE
Location: HUNTINGTON WV

Re: Losing all power

Post by 1997SEgreenmonster »

MrPOPE wrote:do the MAF sensor tap test. start the car and lightly tap on the MAF sensor with a screwdriver If the cars RPM shifts or runs rough/cuts off when u tap the sensor.... there is your problem
Ive tried that mrhope thats not the problem......
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2000Silverbullet
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Year and Trim: 2000 SSEi, 79 Firebird, 88 Jeep, 11 Yukon Denali
Location: Powell River BC - 7 time WCBF Survivor

Re: Losing all power

Post by 2000Silverbullet »

Check your engine fuse box for lose ignition fuse...
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2000 SSEi - SilverBullet - 78,000 kms, 4" "straight shot" custom headlight ram air inlet, TOGs, 1.9's, Lsd, 2.9-3.4"MPS 10-15 psi, Ported GenV, EGR eliminated, OR pushrods, oil volume kit, trani cooler & shift kit, Titanium retainers, 90 lb springs, 160 Stat, 42# injectors, Fuel pump voltage increase, Wideband O2, 3" to dual 2 1/2" Magnaflows, Snow Meth/water injection, after SC temp gauge, 255/50WR17, timing commander set 15-18*@WOT, 2 speed Fan over-ride, disabled DRL, Solid motor mount, Meziere Electric water pump, adjustable fuel pressure regulator, Drilled & slotted rotors/ceramics, GXP sway bars and STB, Upgraded and rebuilt transmission with ZZP 2500 rpm stall TC, Pioneer Bluetooth stereo with sub and 800 W amps, PB 13.5 quarter, (April 2014 car of the month)
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