I need to tell you "the rest of the story" My grandson's girlfriend drove her car into deep water across the road. It got drowned. No water in the engine, but it won't start. I originally thought that the crank sensor was bad because it would not fire with ether. Well I pulled a wire off of one of the coils, wrapped a piece of wire around the post and set a gap at to ground. Sparked like mad. Still not noise. Removed the plugs and burned off deposits. Still no noise. Wetted the plugs.

Any thoughts???

Check for fuel?

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Andrew - owner/operator of Bonnevilles Unlimited

2004 Bonneville GXP | 60k | White Gold Tricoat | custom built supercharged 3800 hot rod | garage queen
1997 Corvette | 55k | Silver Metallic | Z06 wheels | Date-night Hauler/Parts runner
2014 Town & Country Limited | Cashmere Pearl | 95k | Family Hauler
2002 Ram 1500 Quad Cab Sport | Black| 260k | Official Bonneville Hauler

I checked the plugs again, after I burned them off and they are wet with fuel. I rechecked for spark. This time no spark. I'm thinking since I apparently have fuel, the crank sensor must be good. Am I thinking right? It will bark when I let off of the key after cranking. That makes ne think the CPS may be bad??

What do you mean it barks?

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WHITE WHINE - 1992 SSE Supercharged 236.26 ci (.040 Over) 15.090 at 90.2 MPH on old engine w/ slipping trans & melted O2 sensor - Gen 3 M62 and matching TB, Gen 2 Pully, Zillamotorsports Ported LIM, YT 1.72 Roller Rockers, SII FPR & Injectors, Hypertech Thermomaster chip w/ 160 Thermo, TransGo Shift Kit, Infinity/Pioneer Speakers & a 10" Alpine Type R Sub, all the watts, 140 amp Alternator, Ricepipe CAI w/ heatshield, Pilot Angel Eye Foglights, Clear Corners, '02 17" Chrome Bent 5's, Magnaflow F-Body Muffler and Hi-flo Cat, Ceramic Coated Ported Exhaust Manifolds, Fan Override, Monroe Reflex struts, red calipers
2009 G8 GT - Sport Red Metallic, loaded, SOLO Axlebacks, Rotofab Intake, Tuned, autodim mirror, removed intake manifold cover, HSV GTS triple gauge pod, two tone red-hot shifter and HSV SuperSport steering wheel, GXP rear sway bar and diffuser, 3.45 diff and various Camaro suspension bits, LED Taillights

I get a bark from the air filter (IIRC) if I let off on the cranking prematurely before the engine actually starts. Never really been a cause for concern for me.

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Jerry /// Past: 95 SSEi (June 2010 COTM) -- 04 GXP (July 2011 COTM)
91 Honda Civic Wagon DX 2WD (fuelly) -- 208,000km -- 92hp -- Autocross Warrior
09 Lexus LS460 AWD -- 94,000km -- Daily Driver
09 White Hot G8 GT -- 155,000km (fuelly) -- LS3 Cam -- GM LS3 CNC Ported Heads -- Kooks 1 3/4" Long Tube Headers -- Solo Catback Midsection -- Hooker Maxflow Mufflers -- Pat G Tune -- Rotofab Intake -- Tein S-Tech Springs -- GXP FE3 Dampers -- BMR Subframe Cradle Inserts -- BMR Subframe Connectors -- Forgestar F14 Gold 18x9 +40 -- Michelin Pilot Super Sport 245/45/18 -- Maverick Man Carbon Fiber Spoiler

I'd be looking at the ICM under the coils. I believe you can take those into typical parts stores and get them checked out. I'd also check out the coils' resistance values.

http://www.pontiacbonnevilleclub.com/fo ... =48&t=1683

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WHITE WHINE - 1992 SSE Supercharged 236.26 ci (.040 Over) 15.090 at 90.2 MPH on old engine w/ slipping trans & melted O2 sensor - Gen 3 M62 and matching TB, Gen 2 Pully, Zillamotorsports Ported LIM, YT 1.72 Roller Rockers, SII FPR & Injectors, Hypertech Thermomaster chip w/ 160 Thermo, TransGo Shift Kit, Infinity/Pioneer Speakers & a 10" Alpine Type R Sub, all the watts, 140 amp Alternator, Ricepipe CAI w/ heatshield, Pilot Angel Eye Foglights, Clear Corners, '02 17" Chrome Bent 5's, Magnaflow F-Body Muffler and Hi-flo Cat, Ceramic Coated Ported Exhaust Manifolds, Fan Override, Monroe Reflex struts, red calipers
2009 G8 GT - Sport Red Metallic, loaded, SOLO Axlebacks, Rotofab Intake, Tuned, autodim mirror, removed intake manifold cover, HSV GTS triple gauge pod, two tone red-hot shifter and HSV SuperSport steering wheel, GXP rear sway bar and diffuser, 3.45 diff and various Camaro suspension bits, LED Taillights

Well, the plot thickens. Checked the coils, found 2 of them open. Replaced coil pack, still no fire. I'm thinking the ICM. When I removed the coil pack, the potting material had run down and leaked out onto the connector.

By bark, I mean a muffled backfire. Like it sensed a pulse when I turned off the key.

How much water got inside the car?

Ditto to Don's question.

Just as a reference, I sank my '90 Bonnie in about 10 to 12 inches of water after driving through an intersection flooded by a tropical storm. Was able to drift through the deepest part, but had to push the car out of the rest. Similar results too. Took about an hour for the sensors to drip dry. Car eventually would start and I drove it home. However, some of the sensors are not sealed very well, like the TPS, and can be ruined by water.

If you dunk it deep enough into a puddle, you will sling a lot of water around the engine bay by the serpentine belt. I'd start going through the sensors one at a time with a meter till I find whats wrong. Also check the air filter. If it is a paper filter, it may just be a wad of goo now. If water got inside the car, then start reseating the connectors around the ECM, just for corrosion from the wet carpet.

One extra thought: You may have smoked the ECM. If you don't have a spare, now's the time to junkyard a spare to try out.

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Bye Bye 1990 Bonneville LE... Now it belongs to my daughter
In the Garage: 2009 Subaru Outback, 1987 Camaro, 2006 SV650S, 1995 Regal 182 "ASANAGI", 1962 Ford Galaxie 500, 1995 Ford F150 XL 4WD, 1953 Farmall Cub